ID B1WNR4_CROS5 Unreviewed; 141 AA.
AC B1WNR4;
DT 20-MAY-2008, integrated into UniProtKB/TrEMBL.
DT 20-MAY-2008, sequence version 1.
DT 27-MAR-2024, entry version 83.
DE RecName: Full=Ribonuclease VapC {ECO:0000256|HAMAP-Rule:MF_00265};
DE Short=RNase VapC {ECO:0000256|HAMAP-Rule:MF_00265};
DE EC=3.1.-.- {ECO:0000256|HAMAP-Rule:MF_00265};
DE AltName: Full=Toxin VapC {ECO:0000256|HAMAP-Rule:MF_00265};
GN Name=vapC {ECO:0000256|HAMAP-Rule:MF_00265};
GN OrderedLocusNames=cce_2143 {ECO:0000313|EMBL:ACB51493.1};
OS Crocosphaera subtropica (strain ATCC 51142 / BH68) (Cyanothece sp. (strain
OS ATCC 51142)).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Chroococcales; Aphanothecaceae; Crocosphaera; Crocosphaera subtropica.
OX NCBI_TaxID=43989 {ECO:0000313|EMBL:ACB51493.1, ECO:0000313|Proteomes:UP000001203};
RN [1] {ECO:0000313|EMBL:ACB51493.1, ECO:0000313|Proteomes:UP000001203}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51142 / BH68 {ECO:0000313|Proteomes:UP000001203};
RX PubMed=18812508; DOI=10.1073/pnas.0805418105;
RA Welsh E.A., Liberton M., Stoeckel J., Loh T., Elvitigala T., Wang C.,
RA Wollam A., Fulton R.S., Clifton S.W., Jacobs J.M., Aurora R., Ghosh B.K.,
RA Sherman L.A., Smith R.D., Wilson R.K., Pakrasi H.B.;
RT "The genome of Cyanothece 51142, a unicellular diazotrophic cyanobacterium
RT important in the marine nitrogen cycle.";
RL Proc. Natl. Acad. Sci. U.S.A. 105:15094-15099(2008).
CC -!- FUNCTION: Toxic component of a toxin-antitoxin (TA) system. An RNase.
CC {ECO:0000256|HAMAP-Rule:MF_00265}.
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946,
CC ECO:0000256|HAMAP-Rule:MF_00265};
CC -!- SIMILARITY: Belongs to the PINc/VapC protein family.
CC {ECO:0000256|ARBA:ARBA00038093, ECO:0000256|HAMAP-Rule:MF_00265}.
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DR EMBL; CP000806; ACB51493.1; -; Genomic_DNA.
DR RefSeq; WP_009546895.1; NC_010546.1.
DR AlphaFoldDB; B1WNR4; -.
DR STRING; 43989.cce_2143; -.
DR KEGG; cyt:cce_2143; -.
DR eggNOG; COG1487; Bacteria.
DR HOGENOM; CLU_118482_8_2_3; -.
DR OrthoDB; 9815354at2; -.
DR Proteomes; UP000001203; Chromosome circular.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004540; F:RNA nuclease activity; IEA:InterPro.
DR GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
DR CDD; cd18731; PIN_NgFitB-like; 1.
DR Gene3D; 3.40.50.1010; 5'-nuclease; 1.
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 PANTHER; PTHR33653; RIBONUCLEASE VAPC2; 1.
DR PANTHER; PTHR33653:SF1; RIBONUCLEASE VAPC2; 1.
DR Pfam; PF01850; PIN; 1.
DR SUPFAM; SSF88723; PIN domain-like; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_00265};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_00265};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00265};
KW Nuclease {ECO:0000256|ARBA:ARBA00022722, ECO:0000256|HAMAP-Rule:MF_00265};
KW Reference proteome {ECO:0000313|Proteomes:UP000001203};
KW Toxin {ECO:0000256|HAMAP-Rule:MF_00265};
KW Toxin-antitoxin system {ECO:0000256|ARBA:ARBA00022649, ECO:0000256|HAMAP-
KW Rule:MF_00265}.
FT DOMAIN 2..122
FT /note="PIN"
FT /evidence="ECO:0000259|Pfam:PF01850"
FT BINDING 5
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00265"
FT BINDING 104
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00265"
SQ SEQUENCE 141 AA; 15941 MW; 0DEB530DA719057F CRC64;
MIILDTNVLS ELMKRNGSEK VRTWASQYPI ITLWTTTITQ AEILYGIALL PEGKRHDDLQ
KAAELMFLEE FAGRVLSFDE KAAIAFAEIA FQRRRNGKPI SQADAQIAAI CRANKATIAT
RNVADFEDCG IEIINPWKWE N
//
