ID H3NSF5_9GAMM Unreviewed; 525 AA.
AC H3NSF5;
DT 18-APR-2012, integrated into UniProtKB/TrEMBL.
DT 18-APR-2012, sequence version 1.
DT 24-JAN-2024, entry version 54.
DE RecName: Full=Peptide chain release factor 3 {ECO:0000256|HAMAP-Rule:MF_00072};
DE Short=RF-3 {ECO:0000256|HAMAP-Rule:MF_00072};
GN Name=prfC {ECO:0000256|HAMAP-Rule:MF_00072};
GN ORFNames=OMB55_00018320 {ECO:0000313|EMBL:EHQ58086.1};
OS gamma proteobacterium HIMB55.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Cellvibrionales; Halieaceae.
OX NCBI_TaxID=745014 {ECO:0000313|EMBL:EHQ58086.1, ECO:0000313|Proteomes:UP000003408};
RN [1] {ECO:0000313|EMBL:EHQ58086.1, ECO:0000313|Proteomes:UP000003408}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HIMB55 {ECO:0000313|EMBL:EHQ58086.1,
RC ECO:0000313|Proteomes:UP000003408};
RX PubMed=22493201; DOI=10.1128/JB.00171-12;
RA Huggett M.J., Rappe M.S.;
RT "Genome Sequence of Strain HIMB55, a Novel Marine Gammaproteobacterium of
RT the OM60/NOR5 Clade.";
RL J. Bacteriol. 194:2393-2394(2012).
CC -!- FUNCTION: Increases the formation of ribosomal termination complexes
CC and stimulates activities of RF-1 and RF-2. It binds guanine
CC nucleotides and has strong preference for UGA stop codons. It may
CC interact directly with the ribosome. The stimulation of RF-1 and RF-2
CC is significantly reduced by GTP and GDP, but not by GMP.
CC {ECO:0000256|HAMAP-Rule:MF_00072}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|HAMAP-Rule:MF_00072}.
CC -!- SIMILARITY: Belongs to the TRAFAC class translation factor GTPase
CC superfamily. Classic translation factor GTPase family. PrfC subfamily.
CC {ECO:0000256|ARBA:ARBA00009978, ECO:0000256|HAMAP-Rule:MF_00072}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EHQ58086.1}.
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DR EMBL; AGIF02000001; EHQ58086.1; -; Genomic_DNA.
DR AlphaFoldDB; H3NSF5; -.
DR STRING; 745014.OMB55_00018320; -.
DR PATRIC; fig|745014.4.peg.1849; -.
DR eggNOG; COG4108; Bacteria.
DR OrthoDB; 9801472at2; -.
DR Proteomes; UP000003408; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003924; F:GTPase activity; IEA:InterPro.
DR GO; GO:0097216; F:guanosine tetraphosphate binding; IEA:UniProt.
DR GO; GO:0016149; F:translation release factor activity, codon specific; IEA:UniProtKB-UniRule.
DR GO; GO:0006449; P:regulation of translational termination; IEA:UniProtKB-UniRule.
DR CDD; cd04169; RF3; 1.
DR CDD; cd03689; RF3_II; 1.
DR CDD; cd16259; RF3_III; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 2.
DR Gene3D; 3.30.70.3280; Peptide chain release factor 3, domain III; 1.
DR HAMAP; MF_00072; Rel_fac_3; 1.
DR InterPro; IPR035647; EFG_III/V.
DR InterPro; IPR004161; EFTu-like_2.
DR InterPro; IPR031157; G_TR_CS.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR004548; PrfC.
DR InterPro; IPR032090; RF3_C.
DR InterPro; IPR038467; RF3_dom_3_sf.
DR InterPro; IPR041732; RF3_GTP-bd.
DR InterPro; IPR005225; Small_GTP-bd_dom.
DR InterPro; IPR000795; T_Tr_GTP-bd_dom.
DR InterPro; IPR009000; Transl_B-barrel_sf.
DR NCBIfam; TIGR00503; prfC; 1.
DR NCBIfam; TIGR00231; small_GTP; 1.
DR PANTHER; PTHR43556; PEPTIDE CHAIN RELEASE FACTOR RF3; 1.
DR PANTHER; PTHR43556:SF2; PEPTIDE CHAIN RELEASE FACTOR RF3; 1.
DR Pfam; PF00009; GTP_EFTU; 1.
DR Pfam; PF03144; GTP_EFTU_D2; 1.
DR Pfam; PF16658; RF3_C; 1.
DR PRINTS; PR00315; ELONGATNFCT.
DR SUPFAM; SSF54980; EF-G C-terminal domain-like; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR SUPFAM; SSF50447; Translation proteins; 1.
DR PROSITE; PS00301; G_TR_1; 1.
DR PROSITE; PS51722; G_TR_2; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00072};
KW GTP-binding {ECO:0000256|ARBA:ARBA00023134, ECO:0000256|HAMAP-
KW Rule:MF_00072};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00072}; Protein biosynthesis {ECO:0000256|HAMAP-Rule:MF_00072};
KW Reference proteome {ECO:0000313|Proteomes:UP000003408}.
FT DOMAIN 9..276
FT /note="Tr-type G"
FT /evidence="ECO:0000259|PROSITE:PS51722"
FT BINDING 18..25
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00072"
FT BINDING 85..89
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00072"
FT BINDING 139..142
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00072"
SQ SEQUENCE 525 AA; 59094 MW; 9193B6DBAEB1E5A1 CRC64;
MSDTANAINA RRTFAIISHP DAGKTTITEK LLLLGSAIQV AGSVKGKRGP HATSDWMAME
QERGISVTSS VMQFPYKERT VNLLDTPGHE DFSEDTYRTL TAVDSALMVV DGAKGVEDRT
IKLMNVCRLR DTPIIGFVNK LDRDIRDAIE LLDEIEDVLK IEAAPINWPI GMGKFFKGVY
NLYTDTIHCF EQGNGQVLPP DKRIQGLDSD EARALLDDEY DDFCDEIELV RGASHEFDKD
RYLAGQQTPV FFGTALGNFG VREMLDDFVE WAPKPQHRTT QSRDVSPTEV AFSGFVFKIQ
ANMDPKHRDR IAFVRVCSGR YEKGMKMRHV RIEKDIRIAD AVSFKAGERE LVESAVAGDI
IGLHNHGTIQ IGDTFTSGEA LQFTGIPHFA PELFRKIRLS DPMKMKALQK GLQQLSEEGS
TQVFSPLNST DLIVGAVGQL QFDVVAHRLK DEYKVDAIYE PVSIYTARWL DAEDPRKLEE
FRKKASDHLS EDGGGYLTYL APTRVNLNLM QERWPDISFR ETREH
//