ID   ASTB_ALIF1              Reviewed;         444 AA.
AC   Q5DZ79;
DT   28-NOV-2006, integrated into UniProtKB/Swiss-Prot.
DT   15-MAR-2005, sequence version 1.
DT   03-AUG-2022, entry version 92.
DE   RecName: Full=N-succinylarginine dihydrolase {ECO:0000255|HAMAP-Rule:MF_01172};
DE            EC=3.5.3.23 {ECO:0000255|HAMAP-Rule:MF_01172};
GN   Name=astB {ECO:0000255|HAMAP-Rule:MF_01172}; OrderedLocusNames=VF_A0847;
OS   Aliivibrio fischeri (strain ATCC 700601 / ES114) (Vibrio fischeri).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Aliivibrio.
OX   NCBI_TaxID=312309;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700601 / ES114;
RX   PubMed=15703294; DOI=10.1073/pnas.0409900102;
RA   Ruby E.G., Urbanowski M., Campbell J., Dunn A., Faini M., Gunsalus R.,
RA   Lostroh P., Lupp C., McCann J., Millikan D., Schaefer A., Stabb E.,
RA   Stevens A., Visick K., Whistler C., Greenberg E.P.;
RT   "Complete genome sequence of Vibrio fischeri: a symbiotic bacterium with
RT   pathogenic congeners.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:3004-3009(2005).
CC   -!- FUNCTION: Catalyzes the hydrolysis of N(2)-succinylarginine into N(2)-
CC       succinylornithine, ammonia and CO(2). {ECO:0000255|HAMAP-
CC       Rule:MF_01172}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 H(+) + 2 H2O + N(2)-succinyl-L-arginine = CO2 + N(2)-
CC         succinyl-L-ornithine + 2 NH4(+); Xref=Rhea:RHEA:19533,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526,
CC         ChEBI:CHEBI:28938, ChEBI:CHEBI:58241, ChEBI:CHEBI:58514; EC=3.5.3.23;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01172};
CC   -!- PATHWAY: Amino-acid degradation; L-arginine degradation via AST
CC       pathway; L-glutamate and succinate from L-arginine: step 2/5.
CC       {ECO:0000255|HAMAP-Rule:MF_01172}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01172}.
CC   -!- SIMILARITY: Belongs to the succinylarginine dihydrolase family.
CC       {ECO:0000255|HAMAP-Rule:MF_01172}.
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DR   EMBL; CP000021; AAW87917.1; -; Genomic_DNA.
DR   RefSeq; WP_011263665.1; NC_006841.2.
DR   RefSeq; YP_206805.1; NC_006841.2.
DR   AlphaFoldDB; Q5DZ79; -.
DR   SMR; Q5DZ79; -.
DR   STRING; 312309.VF_A0847; -.
DR   EnsemblBacteria; AAW87917; AAW87917; VF_A0847.
DR   KEGG; vfi:VF_A0847; -.
DR   PATRIC; fig|312309.11.peg.3448; -.
DR   eggNOG; COG3724; Bacteria.
DR   HOGENOM; CLU_053835_0_0_6; -.
DR   OMA; IAPTNCQ; -.
DR   OrthoDB; 567590at2; -.
DR   UniPathway; UPA00185; UER00280.
DR   Proteomes; UP000000537; Chromosome II.
DR   GO; GO:0009015; F:N-succinylarginine dihydrolase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0019544; P:arginine catabolic process to glutamate; IEA:UniProtKB-UniRule.
DR   GO; GO:0019545; P:arginine catabolic process to succinate; IEA:UniProtKB-UniPathway.
DR   Gene3D; 3.75.10.20; -; 1.
DR   HAMAP; MF_01172; AstB; 1.
DR   InterPro; IPR037031; AstB_sf.
DR   InterPro; IPR007079; SuccinylArg_d-Hdrlase_AstB.
DR   Pfam; PF04996; AstB; 1.
DR   TIGRFAMs; TIGR03241; arg_catab_astB; 1.
PE   3: Inferred from homology;
KW   Arginine metabolism; Hydrolase; Reference proteome.
FT   CHAIN           1..444
FT                   /note="N-succinylarginine dihydrolase"
FT                   /id="PRO_0000262381"
FT   ACT_SITE        174
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   ACT_SITE        250
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   ACT_SITE        368
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   BINDING         19..28
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   BINDING         110
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   BINDING         137..138
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   BINDING         214
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   BINDING         252
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   BINDING         362
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
SQ   SEQUENCE   444 AA;  49400 MW;  C1A56BF37C6A6FA1 CRC64;
     MKTVESNFDG LVGPTHNYSG LSVGNIASKS NQSGVSNPKQ AVKQGLEKMK ALHDMGFVQG
     VLAPQERPDI HTLRRLGFSG SDSEVLKKSY QYSPQLLAAC SSASSMWTAN AGTVSPSADT
     ADGKVHFTPA NLINKFHRSI EDQVTGNILK ATFSDEEHFV HHQALPHSDY FGDEGAANHT
     RFCREYGEQG VEFFVFGKSA FNESYLAPKK YPARQTLEAS EAIARTHGLR EQFTVFAQQN
     PDVIDQGVFH NDVIAVGNKN TLFCHQQAFL NQEKVKSDLS DSYGSGFNVI EVPTDKVSVQ
     DAVETYLFNS QLITKADGTT LIILPEHCRQ NSRVWAYLNE LVEQKCGIDE LHTFDLKQSM
     QNGGGPACLR LRVVLNEAEQ KAVNQHTLMS EELFTTLNLW ADKHYRDRIE DKDLADPQLL
     VESRAALDEL TQIMHLGSIY PFQK