PNP_BORRA
ID PNP_BORRA Reviewed; 717 AA.
AC B5RQE3;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 04-NOV-2008, sequence version 1.
DT 03-AUG-2022, entry version 73.
DE RecName: Full=Polyribonucleotide nucleotidyltransferase {ECO:0000255|HAMAP-Rule:MF_01595};
DE EC=2.7.7.8 {ECO:0000255|HAMAP-Rule:MF_01595};
DE AltName: Full=Polynucleotide phosphorylase {ECO:0000255|HAMAP-Rule:MF_01595};
DE Short=PNPase {ECO:0000255|HAMAP-Rule:MF_01595};
GN Name=pnp {ECO:0000255|HAMAP-Rule:MF_01595}; OrderedLocusNames=BRE_816;
OS Borrelia recurrentis (strain A1).
OC Bacteria; Spirochaetes; Spirochaetales; Borreliaceae; Borrelia.
OX NCBI_TaxID=412418;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=A1;
RX PubMed=18787695; DOI=10.1371/journal.pgen.1000185;
RA Lescot M., Audic S., Robert C., Nguyen T.T., Blanc G., Cutler S.J.,
RA Wincker P., Couloux A., Claverie J.-M., Raoult D., Drancourt M.;
RT "The genome of Borrelia recurrentis, the agent of deadly louse-borne
RT relapsing fever, is a degraded subset of tick-borne Borrelia duttonii.";
RL PLoS Genet. 4:E1000185-E1000185(2008).
CC -!- FUNCTION: Involved in mRNA degradation. Catalyzes the phosphorolysis of
CC single-stranded polyribonucleotides processively in the 3'- to 5'-
CC direction. {ECO:0000255|HAMAP-Rule:MF_01595}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=phosphate + RNA(n+1) = a ribonucleoside 5'-diphosphate +
CC RNA(n); Xref=Rhea:RHEA:22096, Rhea:RHEA-COMP:14527, Rhea:RHEA-
CC COMP:17342, ChEBI:CHEBI:43474, ChEBI:CHEBI:57930, ChEBI:CHEBI:140395;
CC EC=2.7.7.8; Evidence={ECO:0000255|HAMAP-Rule:MF_01595};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01595};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01595}.
CC -!- SIMILARITY: Belongs to the polyribonucleotide nucleotidyltransferase
CC family. {ECO:0000255|HAMAP-Rule:MF_01595}.
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DR EMBL; CP000993; ACH95027.1; -; Genomic_DNA.
DR RefSeq; WP_012539180.1; NC_011244.1.
DR AlphaFoldDB; B5RQE3; -.
DR SMR; B5RQE3; -.
DR EnsemblBacteria; ACH95027; ACH95027; BRE_816.
DR KEGG; bre:BRE_816; -.
DR HOGENOM; CLU_004217_2_2_12; -.
DR OMA; LHILDVM; -.
DR OrthoDB; 122725at2; -.
DR Proteomes; UP000000612; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004654; F:polyribonucleotide nucleotidyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0003723; F:RNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0006402; P:mRNA catabolic process; IEA:UniProtKB-UniRule.
DR GO; GO:0006396; P:RNA processing; IEA:InterPro.
DR Gene3D; 2.40.50.140; -; 1.
DR Gene3D; 3.30.1370.10; -; 1.
DR Gene3D; 3.30.230.70; -; 2.
DR HAMAP; MF_01595; PNPase; 1.
DR InterPro; IPR001247; ExoRNase_PH_dom1.
DR InterPro; IPR015847; ExoRNase_PH_dom2.
DR InterPro; IPR036345; ExoRNase_PH_dom2_sf.
DR InterPro; IPR004087; KH_dom.
DR InterPro; IPR004088; KH_dom_type_1.
DR InterPro; IPR036612; KH_dom_type_1_sf.
DR InterPro; IPR012340; NA-bd_OB-fold.
DR InterPro; IPR012162; PNPase.
DR InterPro; IPR027408; PNPase/RNase_PH_dom_sf.
DR InterPro; IPR015848; PNPase_PH_RNA-bd_bac/org-type.
DR InterPro; IPR036456; PNPase_PH_RNA-bd_sf.
DR InterPro; IPR020568; Ribosomal_S5_D2-typ_fold.
DR InterPro; IPR022967; S1_dom.
DR InterPro; IPR003029; S1_domain.
DR PANTHER; PTHR11252; PTHR11252; 1.
DR Pfam; PF00013; KH_1; 1.
DR Pfam; PF03726; PNPase; 1.
DR Pfam; PF01138; RNase_PH; 2.
DR Pfam; PF03725; RNase_PH_C; 2.
DR Pfam; PF00575; S1; 1.
DR PIRSF; PIRSF005499; PNPase; 1.
DR SMART; SM00322; KH; 1.
DR SMART; SM00316; S1; 1.
DR SUPFAM; SSF46915; SSF46915; 1.
DR SUPFAM; SSF50249; SSF50249; 1.
DR SUPFAM; SSF54211; SSF54211; 2.
DR SUPFAM; SSF54791; SSF54791; 1.
DR SUPFAM; SSF55666; SSF55666; 2.
DR TIGRFAMs; TIGR03591; polynuc_phos; 1.
DR PROSITE; PS50084; KH_TYPE_1; 1.
DR PROSITE; PS50126; S1; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Magnesium; Metal-binding; Nucleotidyltransferase; RNA-binding;
KW Transferase.
FT CHAIN 1..717
FT /note="Polyribonucleotide nucleotidyltransferase"
FT /id="PRO_1000147892"
FT DOMAIN 553..612
FT /note="KH"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT DOMAIN 622..715
FT /note="S1 motif"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT REGION 650..678
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 486
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
FT BINDING 492
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01595"
SQ SEQUENCE 717 AA; 80352 MW; 7EF498B499B96728 CRC64;
MRKILKLKIG REDLILETGL LAKQANGAVL ATYGGSTVLA TVCCSDSIRE NLDFVPLSVE
YNEKYYAAGK IPGGFIKREG KPKDKEVLVS RLIDRPMRPL FDKRFGREIQ VVPTTLSTDQ
MNPPDIVGMN AAFTAVFLSD IPFNGPIAAV RIAYLNDEFI VNPSFDEIQD SVLDIVVAGS
LDGITMVEGG ANEVSEEILL DAIDKAYTYI KQICDLQKEF IYLIGEREKL PLAYEEKVFE
FKDDLRSLIY FELKDACFVR GKLNRDKAIK LVKQKAYEHF SSLEQLNDEN EILFYKACDD
FEQEIVRKSI LEDNLRTDGR TPTQIRDIIA EVDLLKRTHG SALFTRGETQ ALAVTTLGTS
IDEQVMDDID GDKRLNFMLH YNFPPFSVGE TGRLMTGRRE IGHGHLAQRS LEAMLPKKDD
FPYTIRVVSE VLESNGSSSM ATVCSGSMSL MAAGVPVKEQ VAGIAMGLIS NDDKYVILSD
ILGEEDHLGD MDFKVAGTKN GITGFQMDIK ISNVTKQLMR DALEQARIGR MHILSIMDSV
ISSSRGDISV NAPKIVQLQI DIDKISLVIG STGKTVKAIT DEFEVRVQIE QDGRITLFGT
DNLKMQKAKA KIESIVREPK VGEIYDGIVK KINSFGAFIE LTPTKEGFLS NRSRSRDDRY
GSDIRHSRYS NRHSRYGRDN RSSFSMRFPR LEEGQIVKVR ISDIDKFGKI ELELARD