ID   CSHA_BACAN              Reviewed;         528 AA.
AC   Q81VG0; Q6I4G2; Q6KY64;
DT   06-MAR-2007, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 130.
DE   RecName: Full=DEAD-box ATP-dependent RNA helicase CshA {ECO:0000255|HAMAP-Rule:MF_01493};
DE            EC=3.6.4.13 {ECO:0000255|HAMAP-Rule:MF_01493};
GN   Name=cshA {ECO:0000255|HAMAP-Rule:MF_01493};
GN   OrderedLocusNames=BA_0247, GBAA_0247, BAS0233;
OS   Bacillus anthracis.
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=1392;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Ames / isolate Porton;
RX   PubMed=12721629; DOI=10.1038/nature01586;
RA   Read T.D., Peterson S.N., Tourasse N.J., Baillie L.W., Paulsen I.T.,
RA   Nelson K.E., Tettelin H., Fouts D.E., Eisen J.A., Gill S.R.,
RA   Holtzapple E.K., Okstad O.A., Helgason E., Rilstone J., Wu M.,
RA   Kolonay J.F., Beanan M.J., Dodson R.J., Brinkac L.M., Gwinn M.L.,
RA   DeBoy R.T., Madpu R., Daugherty S.C., Durkin A.S., Haft D.H., Nelson W.C.,
RA   Peterson J.D., Pop M., Khouri H.M., Radune D., Benton J.L., Mahamoud Y.,
RA   Jiang L., Hance I.R., Weidman J.F., Berry K.J., Plaut R.D., Wolf A.M.,
RA   Watkins K.L., Nierman W.C., Hazen A., Cline R.T., Redmond C., Thwaite J.E.,
RA   White O., Salzberg S.L., Thomason B., Friedlander A.M., Koehler T.M.,
RA   Hanna P.C., Kolstoe A.-B., Fraser C.M.;
RT   "The genome sequence of Bacillus anthracis Ames and comparison to closely
RT   related bacteria.";
RL   Nature 423:81-86(2003).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Ames ancestor;
RX   PubMed=18952800; DOI=10.1128/jb.01347-08;
RA   Ravel J., Jiang L., Stanley S.T., Wilson M.R., Decker R.S., Read T.D.,
RA   Worsham P., Keim P.S., Salzberg S.L., Fraser-Liggett C.M., Rasko D.A.;
RT   "The complete genome sequence of Bacillus anthracis Ames 'Ancestor'.";
RL   J. Bacteriol. 191:445-446(2009).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sterne;
RA   Brettin T.S., Bruce D., Challacombe J.F., Gilna P., Han C., Hill K.,
RA   Hitchcock P., Jackson P., Keim P., Longmire J., Lucas S., Okinaka R.,
RA   Richardson P., Rubin E., Tice H.;
RT   "Complete genome sequence of Bacillus anthracis Sterne.";
RL   Submitted (JAN-2004) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: DEAD-box RNA helicase possibly involved in RNA degradation.
CC       Unwinds dsRNA in both 5'- and 3'-directions, has RNA-dependent ATPase
CC       activity. {ECO:0000255|HAMAP-Rule:MF_01493}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + H2O = ADP + H(+) + phosphate; Xref=Rhea:RHEA:13065,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:43474, ChEBI:CHEBI:456216; EC=3.6.4.13;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01493};
CC   -!- SUBUNIT: Oligomerizes, may be a member of the RNA degradosome.
CC       {ECO:0000255|HAMAP-Rule:MF_01493}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01493}.
CC   -!- SIMILARITY: Belongs to the DEAD box helicase family. CshA subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01493}.
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DR   EMBL; AE016879; AAP24286.1; -; Genomic_DNA.
DR   EMBL; AE017334; AAT29328.1; -; Genomic_DNA.
DR   EMBL; AE017225; AAT52569.1; -; Genomic_DNA.
DR   RefSeq; NP_842800.1; NC_003997.3.
DR   RefSeq; WP_000206587.1; NZ_WXXJ01000025.1.
DR   RefSeq; YP_026518.1; NC_005945.1.
DR   AlphaFoldDB; Q81VG0; -.
DR   SMR; Q81VG0; -.
DR   STRING; 261594.GBAA_0247; -.
DR   DNASU; 1087008; -.
DR   EnsemblBacteria; AAP24286; AAP24286; BA_0247.
DR   EnsemblBacteria; AAT29328; AAT29328; GBAA_0247.
DR   GeneID; 45020285; -.
DR   GeneID; 56655489; -.
DR   KEGG; ban:BA_0247; -.
DR   KEGG; bar:GBAA_0247; -.
DR   KEGG; bat:BAS0233; -.
DR   PATRIC; fig|198094.11.peg.241; -.
DR   eggNOG; COG0513; Bacteria.
DR   HOGENOM; CLU_003041_21_0_9; -.
DR   OMA; EHKDGQR; -.
DR   Proteomes; UP000000427; Chromosome.
DR   Proteomes; UP000000594; Chromosome.
DR   GO; GO:0043590; C:bacterial nucleoid; ISS:UniProtKB.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; ISS:UniProtKB.
DR   GO; GO:0016887; F:ATP hydrolysis activity; IEA:RHEA.
DR   GO; GO:0003723; F:RNA binding; ISS:UniProtKB.
DR   GO; GO:0003724; F:RNA helicase activity; ISS:UniProtKB.
DR   GO; GO:0006401; P:RNA catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0010501; P:RNA secondary structure unwinding; IEA:InterPro.
DR   Gene3D; 3.40.50.300; -; 2.
DR   HAMAP; MF_01493; DEAD_helicase_CshA; 1.
DR   InterPro; IPR011545; DEAD/DEAH_box_helicase_dom.
DR   InterPro; IPR030880; DEAD_helicase_CshA.
DR   InterPro; IPR014001; Helicase_ATP-bd.
DR   InterPro; IPR001650; Helicase_C.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR000629; RNA-helicase_DEAD-box_CS.
DR   InterPro; IPR014014; RNA_helicase_DEAD_Q_motif.
DR   Pfam; PF00270; DEAD; 1.
DR   Pfam; PF00271; Helicase_C; 1.
DR   SMART; SM00487; DEXDc; 1.
DR   SMART; SM00490; HELICc; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   PROSITE; PS00039; DEAD_ATP_HELICASE; 1.
DR   PROSITE; PS51192; HELICASE_ATP_BIND_1; 1.
DR   PROSITE; PS51194; HELICASE_CTER; 1.
DR   PROSITE; PS51195; Q_MOTIF; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Helicase; Hydrolase; Nucleotide-binding;
KW   Reference proteome; RNA-binding; Stress response.
FT   CHAIN           1..528
FT                   /note="DEAD-box ATP-dependent RNA helicase CshA"
FT                   /id="PRO_0000280049"
FT   DOMAIN          33..203
FT                   /note="Helicase ATP-binding"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01493"
FT   DOMAIN          214..374
FT                   /note="Helicase C-terminal"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01493"
FT   REGION          428..528
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOTIF           2..30
FT                   /note="Q motif"
FT   MOTIF           151..154
FT                   /note="DEAD box"
FT   COMPBIAS        459..504
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         46..53
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01493"
SQ   SEQUENCE   528 AA;  58944 MW;  A4DF1F168FEDF594 CRC64;
     MTTFRELGLS DSLLQSVESM GFEEATPIQA ETIPHALQGK DIIGQAQTGT GKTAAFGLPL
     LDKVDTHKES VQGIVIAPTR ELAIQVGEEL YKIGKHKRVR ILPIYGGQDI NRQIRALKKH
     PHIIVGTPGR ILDHINRKTL RLQNVETVVL DEADEMLNMG FIEDIEAILT DVPETHQTLL
     FSATMPDPIR RIAERFMTEP QHIKVKAKEV TMPNIQQFYL EVQEKKKFDV LTRLLDIQSP
     ELAIVFGRTK RRVDELSEAL NLRGYAAEGI HGDLTQAKRM SVLRKFKEGS IEVLVATDVA
     ARGLDISGVT HVYNFDIPQD PESYVHRIGR TGRAGKKGIA MLFVTPRESG QLKNIERTTK
     RKMDRMDAPT LDEALEGQQR LIAEKLQSTI ENENLAYYKR IAEEMLEEND SVTVVAAALK
     MMTKEPDTTP IALTSEPPVV SRGGGSKKRG GNGGGYRDGN RNRSRDGRGG DGRNRDRNRD
     GRNRDGNRDR NREGSRDGNR GRRGEGQGRP GSSNGRGERK HHSRKPQA