ID   VAPC1_METJA             Reviewed;         136 AA.
AC   Q58324;
DT   15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   03-AUG-2022, entry version 105.
DE   RecName: Full=Ribonuclease VapC1 {ECO:0000255|HAMAP-Rule:MF_00265};
DE            Short=RNase VapC1 {ECO:0000255|HAMAP-Rule:MF_00265};
DE            EC=3.1.-.- {ECO:0000255|HAMAP-Rule:MF_00265};
DE   AltName: Full=Putative toxin VapC1 {ECO:0000255|HAMAP-Rule:MF_00265};
GN   Name=vapC1 {ECO:0000255|HAMAP-Rule:MF_00265}; OrderedLocusNames=MJ0914;
OS   Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM
OS   10045 / NBRC 100440) (Methanococcus jannaschii).
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanocaldococcaceae; Methanocaldococcus.
OX   NCBI_TaxID=243232;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440;
RX   PubMed=8688087; DOI=10.1126/science.273.5278.1058;
RA   Bult C.J., White O., Olsen G.J., Zhou L., Fleischmann R.D., Sutton G.G.,
RA   Blake J.A., FitzGerald L.M., Clayton R.A., Gocayne J.D., Kerlavage A.R.,
RA   Dougherty B.A., Tomb J.-F., Adams M.D., Reich C.I., Overbeek R.,
RA   Kirkness E.F., Weinstock K.G., Merrick J.M., Glodek A., Scott J.L.,
RA   Geoghagen N.S.M., Weidman J.F., Fuhrmann J.L., Nguyen D., Utterback T.R.,
RA   Kelley J.M., Peterson J.D., Sadow P.W., Hanna M.C., Cotton M.D.,
RA   Roberts K.M., Hurst M.A., Kaine B.P., Borodovsky M., Klenk H.-P.,
RA   Fraser C.M., Smith H.O., Woese C.R., Venter J.C.;
RT   "Complete genome sequence of the methanogenic archaeon, Methanococcus
RT   jannaschii.";
RL   Science 273:1058-1073(1996).
RN   [2]
RP   IDENTIFICATION, AND POSSIBLE FUNCTION.
RC   STRAIN=ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440;
RX   PubMed=15718296; DOI=10.1093/nar/gki201;
RA   Pandey D.P., Gerdes K.;
RT   "Toxin-antitoxin loci are highly abundant in free-living but lost from
RT   host-associated prokaryotes.";
RL   Nucleic Acids Res. 33:966-976(2005).
CC   -!- FUNCTION: Toxic component of a type II toxin-antitoxin (TA) system. An
CC       RNase. Its cognate antitoxin is VapB1 (By similarity).
CC       {ECO:0000255|HAMAP-Rule:MF_00265}.
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00265};
CC   -!- SIMILARITY: Belongs to the PINc/VapC protein family.
CC       {ECO:0000255|HAMAP-Rule:MF_00265}.
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DR   EMBL; L77117; AAB98919.1; -; Genomic_DNA.
DR   PIR; B64414; B64414.
DR   AlphaFoldDB; Q58324; -.
DR   SMR; Q58324; -.
DR   STRING; 243232.MJ_0914; -.
DR   EnsemblBacteria; AAB98919; AAB98919; MJ_0914.
DR   KEGG; mja:MJ_0914; -.
DR   eggNOG; arCOG02219; Archaea.
DR   HOGENOM; CLU_118482_3_1_2; -.
DR   InParanoid; Q58324; -.
DR   OMA; IIGYYTT; -.
DR   PhylomeDB; Q58324; -.
DR   Proteomes; UP000000805; Chromosome.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004540; F:ribonuclease activity; IBA:GO_Central.
DR   HAMAP; MF_00265; VapC_Nob1; 1.
DR   InterPro; IPR029060; PIN-like_dom_sf.
DR   InterPro; IPR002716; PIN_dom.
DR   InterPro; IPR022907; VapC_family.
DR   Pfam; PF01850; PIN; 1.
DR   SUPFAM; SSF88723; SSF88723; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Magnesium; Metal-binding; Nuclease; Reference proteome;
KW   Toxin-antitoxin system.
FT   CHAIN           1..136
FT                   /note="Ribonuclease VapC1"
FT                   /id="PRO_0000107102"
FT   DOMAIN          18..129
FT                   /note="PINc"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00265"
FT   BINDING         21
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00265"
FT   BINDING         101
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00265"
SQ   SEQUENCE   136 AA;  16210 MW;  0620F9DFB7831918 CRC64;
     MKILKKLKKK LEKEESKILV DTSVLIDYFK KRRLEELGGE AISIITAVEF IRGISEHKQE
     QVLNIFKELF EIVYIDEEII IPFSKIYRQL KKRGMLIDDA DLYIACTAII KNYPLWTKNK
     KHFERLKEFG LKIYDK