ID   ASTB_NITMU              Reviewed;         447 AA.
AC   Q2Y8M6;
DT   28-NOV-2006, integrated into UniProtKB/Swiss-Prot.
DT   20-DEC-2005, sequence version 1.
DT   03-AUG-2022, entry version 89.
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=Nmul_A1594;
OS   Nitrosospira multiformis (strain ATCC 25196 / NCIMB 11849 / C 71).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales;
OC   Nitrosomonadaceae; Nitrosospira.
OX   NCBI_TaxID=323848;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 25196 / NCIMB 11849 / C 71;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Chain P., Malfatti S., Shin M.,
RA   Vergez L., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Lykidis A., Richardson P.;
RT   "Complete sequence of chromosome 1 of Nitrosospira multiformis ATCC
RT   25196.";
RL   Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases.
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; CP000103; ABB74895.1; -; Genomic_DNA.
DR   RefSeq; WP_011380922.1; NZ_FNVK01000028.1.
DR   AlphaFoldDB; Q2Y8M6; -.
DR   SMR; Q2Y8M6; -.
DR   STRING; 323848.Nmul_A1594; -.
DR   EnsemblBacteria; ABB74895; ABB74895; Nmul_A1594.
DR   KEGG; nmu:Nmul_A1594; -.
DR   eggNOG; COG3724; Bacteria.
DR   HOGENOM; CLU_053835_0_0_4; -.
DR   OMA; TLNDWVD; -.
DR   OrthoDB; 567590at2; -.
DR   UniPathway; UPA00185; UER00280.
DR   Proteomes; UP000002718; Chromosome.
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..447
FT                   /note="N-succinylarginine dihydrolase"
FT                   /id="PRO_0000262359"
FT   ACT_SITE        174
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   ACT_SITE        249
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         213
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   BINDING         251
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   447 AA;  49113 MW;  BE678FD20A08EA28 CRC64;
     MNAYEANFDG LVGPTHNYGG LAVGNIASAE SALTNSNPRE AALQGLEKMK RLADLGLMQG
     VLPPQERPAV SVLRKLGFTG EDATIIRCAA KVAPGLLRAC SSASSMWVAN AATVSPSADT
     EDGKVHLTAA NLPSQFHRSI EAPVTSAVLK RVFSNERYFV HHDPLPSNLY FGDEGAANHM
     RLCPRHGEPG VEIFVFGRSA SRDIPKPLRF PARQSLEASE AVARLHQIKR GKELFVQQGP
     AAIDAGAFHN DVLAVANCDV LFYHEAAYRD WEETEARITK ACDWPIHFIR TGEEDVTLAE
     AVRTYLFNAQ LLTLPGNEMM ILAPSECRDS HSARNFLERV VQDAANPIAH VEYVDLRQSM
     KNGGGPACLR LRVVLTEPEL DAVQENSRVI LDECLYNDLK AWIEKHYREC LSPTDLGDPA
     LLQESRAALD ELTTILGFGS LYDFQRP