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CDIA_ECOL5
ID   CDIA_ECOL5              Reviewed;        3242 AA.
AC   Q0T963;
DT   04-MAR-2015, integrated into UniProtKB/Swiss-Prot.
DT   05-SEP-2006, sequence version 1.
DT   25-MAY-2022, entry version 96.
DE   RecName: Full=tRNA nuclease CdiA {ECO:0000305};
DE            Short=tRNase CdiA;
DE            EC=3.1.-.-;
DE   AltName: Full=Anticodon nuclease CdiA {ECO:0000303|PubMed:27531961};
DE   AltName: Full=CdiA-EC536;
DE   AltName: Full=Toxin CdiA;
DE   Flags: Precursor;
GN   Name=cdiA {ECO:0000303|PubMed:21085179}; OrderedLocusNames=ECP_4580;
OS   Escherichia coli O6:K15:H31 (strain 536 / UPEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=362663;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=536 / UPEC;
RX   PubMed=16879640; DOI=10.1111/j.1365-2958.2006.05255.x;
RA   Hochhut B., Wilde C., Balling G., Middendorf B., Dobrindt U.,
RA   Brzuszkiewicz E., Gottschalk G., Carniel E., Hacker J.;
RT   "Role of pathogenicity island-associated integrases in the genome
RT   plasticity of uropathogenic Escherichia coli strain 536.";
RL   Mol. Microbiol. 61:584-595(2006).
RN   [2]
RP   FUNCTION, STRAIN SPECIFICITY, INTERACTION WITH CDII, SUBUNIT, AND DOMAIN.
RC   STRAIN=536 / UPEC;
RX   PubMed=21085179; DOI=10.1038/nature09490;
RA   Aoki S.K., Diner E.J., de Roodenbeke C.T., Burgess B.R., Poole S.J.,
RA   Braaten B.A., Jones A.M., Webb J.S., Hayes C.S., Cotter P.A., Low D.A.;
RT   "A widespread family of polymorphic contact-dependent toxin delivery
RT   systems in bacteria.";
RL   Nature 468:439-442(2010).
RN   [3]
RP   FUNCTION, INTERACTION WITH CYSK, SUBUNIT, AND MUTAGENESIS OF HIS-3193;
RP   3239-GLY--ILE-3242 AND ILE-3242.
RC   STRAIN=536 / UPEC;
RX   PubMed=22333533; DOI=10.1101/gad.182345.111;
RA   Diner E.J., Beck C.M., Webb J.S., Low D.A., Hayes C.S.;
RT   "Identification of a target cell permissive factor required for contact-
RT   dependent growth inhibition (CDI).";
RL   Genes Dev. 26:515-525(2012).
RN   [4]
RP   FUNCTION, SUBCELLULAR LOCATION, AND PARTIAL DEPENDENCE ON BAMA.
RC   STRAIN=536 / UPEC;
RX   PubMed=23469034; DOI=10.1371/journal.pone.0057609;
RA   Webb J.S., Nikolakakis K.C., Willett J.L., Aoki S.K., Hayes C.S., Low D.A.;
RT   "Delivery of CdiA nuclease toxins into target cells during contact-
RT   dependent growth inhibition.";
RL   PLoS ONE 8:E57609-E57609(2013).
RN   [5]
RP   FUNCTION, SUBCELLULAR LOCATION, DOMAIN, AND MUTAGENESIS OF
RP   3016-VAL--SER-3022; 3028-CYS--CYS-3034 AND HIS-3193.
RC   STRAIN=536 / UPEC;
RX   PubMed=24889811; DOI=10.1111/mmi.12658;
RA   Beck C.M., Diner E.J., Kim J.J., Low D.A., Hayes C.S.;
RT   "The F pilus mediates a novel pathway of CDI toxin import.";
RL   Mol. Microbiol. 93:276-290(2014).
RN   [6]
RP   FUNCTION AS A TRNA NUCLEASE, REQUIRES PMF FOR TRANSLOCATION, AND
RP   SUBCELLULAR LOCATION.
RC   STRAIN=536 / UPEC;
RX   PubMed=25174572; DOI=10.1111/mmi.12779;
RA   Ruhe Z.C., Nguyen J.Y., Beck C.M., Low D.A., Hayes C.S.;
RT   "The proton-motive force is required for translocation of CDI toxins across
RT   the inner membrane of target bacteria.";
RL   Mol. Microbiol. 94:466-481(2014).
RN   [7]
RP   FUNCTION, RECEPTOR FOR ENTRY INTO TARGET CELL CYTOPLASM, AND DOMAIN.
RC   STRAIN=536 / UPEC;
RX   PubMed=26305955; DOI=10.1073/pnas.1512124112;
RA   Willett J.L., Gucinski G.C., Fatherree J.P., Low D.A., Hayes C.S.;
RT   "Contact-dependent growth inhibition toxins exploit multiple independent
RT   cell-entry pathways.";
RL   Proc. Natl. Acad. Sci. U.S.A. 112:11341-11346(2015).
RN   [8]
RP   IDENTIFICATION OF HETEROTRIMERIC OMPC-OMPF RECEPTOR.
RC   STRAIN=536 / UPEC;
RX   PubMed=27723824; DOI=10.1371/journal.ppat.1005925;
RA   Beck C.M., Willett J.L., Cunningham D.A., Kim J.J., Low D.A., Hayes C.S.;
RT   "CdiA effectors from uropathogenic Escherichia coli use heterotrimeric
RT   osmoporins as receptors to recognize target bacteria.";
RL   PLoS Pathog. 12:E1005925-E1005925(2016).
RN   [9]
RP   DOMAIN.
RC   STRAIN=536 / UPEC;
RX   PubMed=28351921; DOI=10.1128/mbio.00290-17;
RA   Ruhe Z.C., Nguyen J.Y., Xiong J., Koskiniemi S., Beck C.M., Perkins B.R.,
RA   Low D.A., Hayes C.S.;
RT   "CdiA effectors use modular receptor-binding domains to recognize target
RT   bacteria.";
RL   MBio 8:0-0(2017).
RN   [10] {ECO:0007744|PDB:5J43, ECO:0007744|PDB:5J5V}
RP   X-RAY CRYSTALLOGRAPHY (2.70 ANGSTROMS) OF 3016-3242 IN COMPLEX WITH CYSK
RP   AND WITH CDII AND CYSK, POSSIBLE ACTIVE SITE, COFACTOR, SUBUNIT, AND
RP   MUTAGENESIS OF ASN-3164; LYS-3167; ASP-3170; TRP-3191; HIS-3193; GLU-3196;
RP   THR-3200 AND ARG-3202.
RX   PubMed=27531961; DOI=10.1073/pnas.1607112113;
RA   Johnson P.M., Beck C.M., Morse R.P., Garza-Sanchez F., Low D.A.,
RA   Hayes C.S., Goulding C.W.;
RT   "Unraveling the essential role of CysK in CDI toxin activation.";
RL   Proc. Natl. Acad. Sci. U.S.A. 113:9792-9797(2016).
CC   -!- FUNCTION: Toxic component of a toxin-immunity protein module, which
CC       functions as a cellular contact-dependent growth inhibition (CDI)
CC       system. CDI modules allow bacteria to communicate with and inhibit the
CC       growth of closely related neighboring bacteria in a contact-dependent
CC       fashion (target cell counts decrease 100- to 1000-fold). CdiA toxicity
CC       is neutralized by its cognate immunity protein CdiI, but not by CdiI
CC       from other bacteria (PubMed:23469034, PubMed:24889811). Uses
CC       heterotrimeric OmpC and OmpF as target cell outer membrane receptors;
CC       receptor function depends on polymorphisms in extracellular loops L4
CC       and L5 of OmpC; interacts with itself and closely related bacteria but
CC       also with OmpC from E.cloacae ATCC 13047. Its ability to preferentially
CC       bind to 'self' receptors suggests it may also play a role in self-
CC       recognition and kin selection (PubMed:27723824). A bamA mutation that
CC       decreases its expression about 5-fold is partially resistant to this
CC       strain of CdiA, probably due to decreased outer membrane receptor
CC       protein assembly (PubMed:23469034). Isolated CdiA-CT is imported in an
CC       F-pilus-mediated fashion; CdiA-CT inhibits F-mediated conjugation,
CC       probably via its N-terminus (residues 3016-3097), although it is not
CC       clear if this is physiologically significant (PubMed:24889811). Gains
CC       access to the cytoplasm of target cells by using integral inner
CC       membrane protein FtsH (PubMed:26305955). The C-terminal domain (CT)
CC       cleaves within tRNA anticodon loops (PubMed:22333533, PubMed:24889811);
CC       this activity is inhibited by cognate CdiI (PubMed:21085179,
CC       PubMed:22333533, PubMed:24889811). tRNase activity of CdiA-CT is
CC       stimulated by CysK, although the extreme C-terminus (residues 3098-
CC       3242) has tRNase activity in the absence of CysK. In vivo CDI toxicity
CC       requires CysK (PubMed:22333533, PubMed:24889811). CysK stabilizes CdiA-
CC       CT, allowing it to bind tRNA substrate; neither CdiA-CT nor CysK bind
CC       tRNA alone in vitro (PubMed:27531961). Purified CdiA-CT (residues 3016-
CC       3242) inhibits E.coli cell growth when added to cultures alone or in
CC       complex with cognate CdiI, growth is inhibited when cognate CdiI is
CC       present within the cell but not when a CdiA-CT/CdiI complex is added
CC       extracellularly, suggesting CdiA-CT alone but not the CdiA-CT/CdiI
CC       complex is imported into the target cell (PubMed:24889811).
CC       {ECO:0000269|PubMed:21085179, ECO:0000269|PubMed:22333533,
CC       ECO:0000269|PubMed:23469034, ECO:0000269|PubMed:24889811,
CC       ECO:0000269|PubMed:25174572, ECO:0000269|PubMed:26305955,
CC       ECO:0000269|PubMed:27531961, ECO:0000269|PubMed:27723824}.
CC   -!- FUNCTION: The CdiA protein is thought to be exported from the cell
CC       through the central lumen of CdiB, the other half of its two-partner
CC       system (TPS). The TPS domain probably remains associated with CdiB
CC       while the FHA-1 domain forms an extended filament with the receptor-
CC       binding domain (RBD) at its extremity; in the secretion arrested state
CC       the C-terminus of the RBD and YP domains form a hairpin-like structure
CC       as the FHA-2, PT and CT domains are periplasmic. The YP domain is
CC       probably responsible for this arrest at the point where it re-enters
CC       the host cell periplasm. Upon binding to a target cell outer membrane
CC       receptor (heterotrimeric OmpC-OmpF for this CDI) a signal is
CC       transmitted to activate secretion. The filament elongates slightly, the
CC       rest of CdiA is secreted and the FHA-2 domain becomes stably associated
CC       with the target cell's outer membrane where it facilitates entry of the
CC       toxic CT domain into the target cell periplasm. From there the toxic CT
CC       domain is cleaved and gains access to the target cell cytoplasm via an
CC       inner membrane protein (FtsH for this CDI).
CC       {ECO:0000305|PubMed:26305955}.
CC   -!- COFACTOR:
CC       Name=a divalent metal cation; Xref=ChEBI:CHEBI:60240;
CC         Evidence={ECO:0000269|PubMed:27531961};
CC       Note=Mg(2+) and Ca(2+) support tRNase activity in vitro.
CC       {ECO:0000269|PubMed:27531961};
CC   -!- SUBUNIT: The C-terminal (CT) domain interacts with cognate CdiI but not
CC       non-cognate CdiI from D.dadantii strain 3937 (PubMed:21085179). CdiA-CT
CC       also interacts with CysK; this is blocked upon preincubation with O-
CC       acetyl-L-serine. CysK forms a complex with CdiA-CT/CdiI
CC       (PubMed:22333533). One CdiA toxin subunit binds to each subunit of the
CC       CysK homodimer, and one CdiI immunity protein binds to each toxin
CC       subunit; the immune complex is thus a dimer of trimers. The 4 C-
CC       terminal residues of CdiA fit into the active site of CysK
CC       (PubMed:27531961). {ECO:0000269|PubMed:21085179,
CC       ECO:0000269|PubMed:22333533, ECO:0000269|PubMed:27531961}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000269|PubMed:23469034}. Target
CC       cell membrane {ECO:0000269|PubMed:23469034}. Target cell, target cell
CC       cytoplasm {ECO:0000269|PubMed:23469034, ECO:0000269|PubMed:24889811,
CC       ECO:0000269|PubMed:25174572}. Note=Secreted to the cell surface by
CC       CdiB, its two partner secretion pathway (TPS) partner (Probable).
CC       Expressed on the cell surface of both the encoding cell, and in mixing
CC       experiments on the target cell surface, in a proteinase K-sensitive
CC       manner. Both the N- and C-termini can be detected on target cells,
CC       whereas only the CT domain is detected in the target cell cytoplasm
CC       (PubMed:23469034). Toxin translocation into the target cell depends on
CC       the proton motive force of the target cell, but not on tolA or tonB
CC       (PubMed:25174572). {ECO:0000269|PubMed:23469034,
CC       ECO:0000269|PubMed:25174572, ECO:0000305}.
CC   -!- DOMAIN: The CDI activity resides in the approximately 230 residue C-
CC       terminal (CT) domain; exchanging the CT domain and cdiI gene between
CC       different strains confers resistance within cognate but not non-cognate
CC       systems (i.e. CdiI-536 / UPEC neutralizes CdiA-CT from strain 536 /
CC       UPEC but not CdiA-CT from E.coli strain EC93, Y.pestis strain CO92 or
CC       D.dadantii 3937) (PubMed:21085179). The 82 N-terminal residues (toxin
CC       import domain, residues 3016-3097) are sufficient to translocate the
CC       tRNA nuclease domain of colicin E5 into E.coli cells, probably via
CC       binding to the F pilus (PubMed:24889811). Exchanging the outer membrane
CC       receptor-binding domains between proteins exchanges the receptors
CC       recognized by CdiA. Residues 1669-2310 contribute to toxin delivery
CC       also (PubMed:28351921). The inner membrane translocation domain (IMTD)
CC       targets the toxin to a specific target cell inner membrane protein
CC       (FtsH in this case), which delivers the toxin to the target cell
CC       cytoplasm. Exchanging this IMTD between CdiA proteins alters the inner
CC       membrane protein delivery system but not the CdiI immunity protein,
CC       strongly suggesting CdiI recognizes only the toxic domain
CC       (PubMed:26305955). {ECO:0000269|PubMed:21085179,
CC       ECO:0000269|PubMed:24889811, ECO:0000269|PubMed:26305955,
CC       ECO:0000269|PubMed:28351921}.
CC   -!- SIMILARITY: In the N-terminal section; belongs to the CdiA toxin
CC       family. {ECO:0000305}.
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DR   EMBL; CP000247; ABG72516.1; -; Genomic_DNA.
DR   RefSeq; WP_000554175.1; NC_008253.1.
DR   PDB; 5J43; X-ray; 2.70 A; B/F=3016-3242.
DR   PDB; 5J5V; X-ray; 2.75 A; B/E=3016-3242.
DR   PDBsum; 5J43; -.
DR   PDBsum; 5J5V; -.
DR   SMR; Q0T963; -.
DR   STRING; 362663.ECP_4580; -.
DR   EnsemblBacteria; ABG72516; ABG72516; ECP_4580.
DR   KEGG; ecp:ECP_4580; -.
DR   HOGENOM; CLU_000043_2_2_6; -.
DR   OMA; NVADANL; -.
DR   Proteomes; UP000009182; Chromosome.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0030430; C:host cell cytoplasm; IDA:UniProtKB.
DR   GO; GO:0016020; C:membrane; IEA:UniProtKB-KW.
DR   GO; GO:0004521; F:endoribonuclease activity; IDA:UniProtKB.
DR   GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
DR   GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0004549; F:tRNA-specific ribonuclease activity; IDA:UniProtKB.
DR   Gene3D; 2.160.20.10; -; 1.
DR   InterPro; IPR010069; CdiA_FHA1_rpt.
DR   InterPro; IPR008638; Filamn_hemagglutn_N.
DR   InterPro; IPR025157; Hemagglutinin_rpt.
DR   InterPro; IPR028948; Ntox28.
DR   InterPro; IPR006626; PbH1.
DR   InterPro; IPR012334; Pectin_lyas_fold.
DR   InterPro; IPR011050; Pectin_lyase_fold/virulence.
DR   InterPro; IPR006914; VENN_dom.
DR   Pfam; PF13332; Fil_haemagg_2; 4.
DR   Pfam; PF05860; Haemagg_act; 1.
DR   Pfam; PF15605; Ntox28; 1.
DR   Pfam; PF04829; PT-VENN; 1.
DR   SMART; SM00912; Haemagg_act; 1.
DR   SMART; SM00710; PbH1; 7.
DR   SUPFAM; SSF51126; SSF51126; 1.
DR   TIGRFAMs; TIGR01901; adhes_NPXG; 1.
DR   TIGRFAMs; TIGR01731; fil_hemag_20aa; 19.
PE   1: Evidence at protein level;
KW   3D-structure; Coiled coil; Endonuclease; Hydrolase; Membrane; Nuclease;
KW   RNA-binding; Secreted; Signal; Target cell cytoplasm; Target cell membrane;
KW   Target membrane; Toxin; tRNA-binding; Virulence.
FT   SIGNAL          1..32
FT                   /evidence="ECO:0000305|PubMed:28351921"
FT   CHAIN           33..3242
FT                   /note="tRNA nuclease CdiA"
FT                   /evidence="ECO:0000255"
FT                   /id="PRO_0000432088"
FT   REGION          36..322
FT                   /note="Two-partner system transport domain (TPS)"
FT                   /evidence="ECO:0000305|PubMed:28351921"
FT   REGION          351..1376
FT                   /note="FHA-1"
FT                   /evidence="ECO:0000305|PubMed:28351921"
FT   REGION          1377..1668
FT                   /note="Receptor-binding domain (RBD)"
FT                   /evidence="ECO:0000305|PubMed:28351921"
FT   REGION          1668..1852
FT                   /note="YP domain"
FT                   /evidence="ECO:0000250|UniProtKB:A0A1S4NYE3"
FT   REGION          1853..1913
FT                   /note="Periplasmic FHA-1 repeat (pFR)"
FT                   /evidence="ECO:0000305|PubMed:28351921"
FT   REGION          2021..2631
FT                   /note="FHA-2"
FT                   /evidence="ECO:0000305|PubMed:28351921"
FT   REGION          2075..2094
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          2310..2333
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          2439..2481
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          2969..3242
FT                   /note="DUF638-CT domain; not toxic when added to the
FT                   outside of E.coli, does not interfere with F-pilus mediated
FT                   conjugation, toxic when expressed intracellularly"
FT                   /evidence="ECO:0000269|PubMed:24889811"
FT   REGION          2972..3015
FT                   /note="Pre-toxin (PT) domain"
FT                   /evidence="ECO:0000305|PubMed:28351921"
FT   REGION          3016..3242
FT                   /note="CT domain; toxic when added to the outside of E.coli
FT                   and when expressed intracellularly"
FT                   /evidence="ECO:0000269|PubMed:22333533,
FT                   ECO:0000269|PubMed:24889811"
FT   REGION          3016..3097
FT                   /note="Toxin import domain; sufficient to import the tRNA
FT                   nuclease domain of colicin E5 into E.coli, may bind F-pili"
FT                   /evidence="ECO:0000269|PubMed:24889811"
FT   REGION          3020..3242
FT                   /note="C-terminal effector domain (CT)"
FT                   /evidence="ECO:0000305|PubMed:21085179"
FT   REGION          3020..3141
FT                   /note="Inner membrane translocation domain (IMTD), targets
FT                   protein to FtsH"
FT                   /evidence="ECO:0000269|PubMed:26305955"
FT   REGION          3098..3242
FT                   /note="tRNase function, does not interfere with F-pilus
FT                   mediated conjugation"
FT                   /evidence="ECO:0000269|PubMed:22333533,
FT                   ECO:0000269|PubMed:24889811"
FT   REGION          3116..3146
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COILED          3137..3238
FT                   /evidence="ECO:0000255"
FT   MOTIF           3016..3019
FT                   /note="VENN CT cleavage motif"
FT                   /evidence="ECO:0000305"
FT   ACT_SITE        3170
FT                   /evidence="ECO:0000305|PubMed:27531961"
FT   ACT_SITE        3193
FT                   /evidence="ECO:0000305|PubMed:27531961"
FT   ACT_SITE        3196
FT                   /evidence="ECO:0000305|PubMed:27531961"
FT   MUTAGEN         3016..3022
FT                   /note="Missing: No loss of toxicity when expressed as the
FT                   isolated CT domain and added extracellularly to E.coli,
FT                   toxic when expressed intracellularly; VENN-less."
FT                   /evidence="ECO:0000269|PubMed:24889811"
FT   MUTAGEN         3028..3034
FT                   /note="CAVAAPC->SAVAAPS: Not toxic when expressed as the
FT                   isolated CT domain and added extracellularly to E.coli,
FT                   does not interfere with F-pilus mediated conjugation, toxic
FT                   when expressed intracellularly; Cys-less. Probably has a
FT                   cell import defect."
FT                   /evidence="ECO:0000269|PubMed:24889811"
FT   MUTAGEN         3164
FT                   /note="N->A: Wild-type growth inhibition activity in vivo."
FT                   /evidence="ECO:0000269|PubMed:27531961"
FT   MUTAGEN         3167
FT                   /note="K->A: Wild-type growth inhibition activity in vivo."
FT                   /evidence="ECO:0000269|PubMed:27531961"
FT   MUTAGEN         3170
FT                   /note="D->A: Loss of growth inhibition activity in vivo,
FT                   loss of tRNase activity even in presence of CysK."
FT                   /evidence="ECO:0000269|PubMed:27531961"
FT   MUTAGEN         3191
FT                   /note="W->A: Loss of growth inhibition activity in vivo,
FT                   significant loss of tRNase activity even in presence of
FT                   CysK."
FT                   /evidence="ECO:0000269|PubMed:27531961"
FT   MUTAGEN         3193
FT                   /note="H->A: Loss of tRNase activity even in the presence
FT                   of CysK, still binds cognate CdiI, when expressed as the
FT                   isolated CT domain in vitro (Ref.3), or expressed
FT                   intracellularly (Ref.5), or expressed as intact CdiA in
FT                   vivo. Protein is exported to the cell surface normally.
FT                   Interferes with F-pilus mediated conjugation."
FT                   /evidence="ECO:0000269|PubMed:22333533,
FT                   ECO:0000269|PubMed:24889811, ECO:0000269|PubMed:27531961"
FT   MUTAGEN         3196
FT                   /note="E->A: Loss of growth inhibition activity in vivo,
FT                   loss of tRNase activity even in presence of CysK."
FT                   /evidence="ECO:0000269|PubMed:27531961"
FT   MUTAGEN         3200
FT                   /note="T->A: Wild-type growth inhibition activity in vivo."
FT                   /evidence="ECO:0000269|PubMed:27531961"
FT   MUTAGEN         3202
FT                   /note="R->A: Wild-type growth inhibition activity in vivo,
FT                   slight decrease in tRNase activity even in presence of
FT                   CysK."
FT                   /evidence="ECO:0000269|PubMed:27531961"
FT   MUTAGEN         3239..3242
FT                   /note="Missing: No longer binds CysK, has no tRNase
FT                   activity in vitro, when expressed as the isolated CT
FT                   domain."
FT                   /evidence="ECO:0000269|PubMed:22333533"
FT   MUTAGEN         3242
FT                   /note="Missing: No longer binds CysK in vitro, reduced
FT                   tRNase activity in vivo, when expressed as the isolated CT
FT                   domain."
FT                   /evidence="ECO:0000269|PubMed:22333533"
FT   HELIX           3149..3164
FT                   /evidence="ECO:0007829|PDB:5J43"
FT   STRAND          3165..3167
FT                   /evidence="ECO:0007829|PDB:5J43"
FT   HELIX           3168..3178
FT                   /evidence="ECO:0007829|PDB:5J43"
FT   STRAND          3183..3191
FT                   /evidence="ECO:0007829|PDB:5J5V"
FT   HELIX           3193..3211
FT                   /evidence="ECO:0007829|PDB:5J43"
FT   HELIX           3217..3237
FT                   /evidence="ECO:0007829|PDB:5J43"
FT   TURN            3238..3241
FT                   /evidence="ECO:0007829|PDB:5J43"
SQ   SEQUENCE   3242 AA;  330728 MW;  8ABA505DD6635BD8 CRC64;
     MHQPPVRFTY RLLSYLISTI IAGQPLLPAV GAVITPQNGA GMDKAANGVP VVNIATPNGA
     GISHNRFTDY NVGKEGLILN NATGKLNPTQ LGGLIQNNPN LKAGGEAKGI INEVTGGNRS
     LLQGYTEVAG KAANVMVANP YGITCDGCGF INTPHATLTT GRPVMNADGS LQALEVTEGS
     ITINGAGLDG TRSDAVSIIA RATEVNAALH AKDLTVTAGA NRITADGRVS ALKGEGDVPK
     VAVDTGALGG MYARRIHLTS TESGVGVNLG NLYARDGDII LSSAGKLVLK NSLAGGNTTV
     TGTDVSLSGD NKAGGNLSVT GTTGLTLNQP RLVTDKNLVL SSSGQIVQNG GELTAGQNAM
     LSAQHLNQTS GTVNAAENVT LTTTNDTTLK GRSIAGKTLT VSSGSLNNGG TLVAGRDATV
     KTGTFSNTGT VQGNGLKVTA TDLTSTGSIK SGSTLDISAR NATLSGDAGA KDSARVTVSG
     TLENRGRLVS DDVLTLSATQ INNSGTLSGA KELVASADTL TTTEKSVTNS DGNLMLDSAS
     STLAGETSAG GTVSVKGNSL KTTTTAQTQG NSVSVDVQNA QLDGTQAARD ILTLNASEKL
     THSGKSSAPS LSLSAPELTS SGVLVGSALN TQSQTLTNSG LLQGEASLTV NTQRLDNQQN
     GTLYSAADLT LDIPDIRNSG LITGDNGLML NAVSLSNPGK IIADTLSVRA TTLDGDGLLQ
     GAGALALAGD TLSQGSHGRW LTADDLSLRG KTLNTAGTTQ GQNITVQADR WANSGSVLAT
     GNLTASATGQ LTSTGDIMSQ GDTTLKAATT DNRGSLLSAG TLSLDGNSLD NSGTVQGDHV
     TIRQNSVTNS GTLTGIAALT LAARMVSPQP ALMNNGGSLL TSGDLTITAG SLVNSGAIQA
     ADSLTARLTG ELVSTAGSKV TSNGEMALSA LNLSNSGQWI AKNLTLKANS LTSAGDITGV
     DTLTLTVNQT LNNQANGKLL SAGVLTLKAD SVTNDGQLQG NATTITAGQL TNGGHLQGET
     LTLAASGGVN NRFGGVLMSR NALNVSTATL SNQGTIQGGG GVSLNVTDRL QNDSKILSGS
     NLTLTAQVLA NTGSGLVQAA TLLLDVVNTV NGGRVLATGS ADVKGTTLNN TGTLQGADLL
     VNYHTFSNSG TLLGTSGLGV KGSSLLQHGT GRLYSAGNLL LDAQDFSGQG QVVATGDVTL
     KLIAALTNHG TLAAGKTLSV TSQNAITNGG VMQGDAMVLG AGEAFTNNGM LTAGKGNSVF
     SAQRLFLNAP GSLQAGGDVS LNSRSDITIS GFTGTAGSLT MNVAGTLLNS ALIYAGNNLK
     LFTDRLHNQH GDILAGNSLW VQKDASGGAN TEIINTSGNI ETHQGDIVVR TGHLLNQREG
     FSATTTTRTN PSSIQGMGNA LVDIPLSLLP DGSYGYFTRE VENQHGTPCN GHGACNITMD
     TLYYYAPFAD SATQRFLSSQ NITTVTGADN PAGRIASGRN LSAEAERLEN RASFILANGD
     IALSGRELSN QSWQTGTENE YLVYRYDPKT FYGSYATGSL DKLPLLSPEF ENNTIRFSLD
     GREKDYTPGK TYYSVIQAGG DVKTRFTSSI NNGTTTAHAG SVSPVVSAPV LNTLSQQTGG
     DSLTQTALQQ YEPVVVGSPQ WHDELAGALK NIAGGSPLTG QTGISDDWPL PSGNNGYLVP
     STDPDSPYLI TVNPKLDGLG QVDSHLFAGL YELLGAKPGQ APRETAPSYT DEKQFLGSSY
     FLDRLGLKPE KDYRFLGDAV FDTRYVSNAV LSRTGSRYLN GLGSDTEQMR YLMDNAARQQ
     KGLGLEFGVA LTAEQIAQLD GSILWWESAT INGQTVMVPK LYLSPEDITL HNGSVISGNN
     VQLAGGNITN SGSSINAQNG LSLDSTGYID NLNAGLISAG GSLDLSAIGD ISNISSVISG
     KTVQLESVSG NISNITRRQQ WNAGSDSRYG GVHLSGTDTG PVATIKGTDS LSLDAGKNID
     ITGATVSSGG TLGMSAGNDI NIAANLISGS KSQSGFWHTD DNSASSTTSQ GSSISAGGNL
     AMAAGHNLDV TASSVSAGHS ALLSAGNDLS LNAVRESKNS RNGRSESHES HAAVSTVTAG
     DNLLLVAGRD VASQAAGVAA ENNVVIRGGR DVNLVAESAG AGDSYTSKKK KEINETVRQQ
     GTEIASGGDT TVNAGRDITA VASSVTATGN ISVNAGRDVA LTTATESDYH YLETKKKSGG
     FLSKKTTHTI SEDSASREAG SLLSGNRVTV NAGDNLTVEG SDVVADQDVS LAAGNHVDVL
     AATSTDTSWR FKETKKSGLM GTGGIGFTIG SSKTTHDRRE AGTTQSQSAS TIGSTAGNVS
     ITAGKQAHIS GSDVIANRDI SITGDSVVVD PGHDRRTVDE KFEQKKSGLT VALSGTVGSA
     INNAVTSAQE TKESSDSRLK ALQATKTALS GVQAGQAATM ASATGDPNAT GVSLSLTTQK
     SKSQQHSESD TVSGSTLNAG NNLSVVATGK NRGDNRGDIV IAGSQLKVGG NTSLDAANDI
     LLSGAANTQK TTGRNSSSGG GVGVSIGAGG NGAGISVFAG VNAAKGSEKG NGTEWTETTT
     DSGKTVTINS GRDTVLNGAQ VNGNRIIADV GHDLLISSQQ DTSKYDSKQT SVAAGGSFTF
     GSMTGSGYIA ASRDKMKSRF DSVAEQTGMF AGDGGFDITV GRHTQLDGAV IASTATPDKN
     HLDTGTLGFS DLHNEADYKV SHSGISLSGG GSFGDKFQGN MPGGMISAGG HSGHAEGTTQ
     AAVAEGTITI RDRDNQKQNL ANLSRDPAHT NDSISPIFDK EKEQRRLQTV GLISDIGSQV
     ADIARTQGEL NALKAAQDKY GPVPADATEE QRQAYLAKLR DTPEYKKEQE KYGTGSDMQR
     GIQAATAALQ GLVGGNMAGA LAGASAPELA NIIGHHAGID DNTAAKAIAH AILGGVTAAL
     QGNSAAAGAI GAGTGEVIAS AIAKSLYPGV DPSKLTEDQK QTVSTLATLS AGMAGGIASG
     DVAGAAAGAG AGKNVVENNA LSLVARGCAV AAPCRTKVAE QLLEIGAKAG MAGLAGAAVK
     DMADRMTSDE LEHLITLQMM GNDEITTKYL SSLHDKYGSG AASNPNIGKD LTDAEKVELG
     GSGSGTGTPP PSENDPKQQN EKTVDKLNQK QESAIKKIDN TIKNALKDHD IIGTLKDMDG
     KPVPKENGGY WDHMQEMQNT LRGLRNHADT LKNVNNPEAQ AAYGRATDAI NKIESALKGY
     GI
 
 
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