ID   ASTB_LEGPC              Reviewed;         448 AA.
AC   A5ICK4;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   26-JUN-2007, sequence version 1.
DT   03-AUG-2022, entry version 68.
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=LPC_1137;
OS   Legionella pneumophila (strain Corby).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Legionellales;
OC   Legionellaceae; Legionella.
OX   NCBI_TaxID=400673;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Corby;
RA   Gloeckner G., Albert-Weissenberger C., Weinmann E., Jacobi S., Schunder E.,
RA   Steinert M., Buchrieser C., Hacker J., Heuner K.;
RT   "Identification and characterization of a new conjugation/ type IVA
RT   secretion system (trb/tra) of L. pneumophila Corby localized on a mobile
RT   genomic island.";
RL   Submitted (NOV-2006) 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; CP000675; ABQ55104.1; -; Genomic_DNA.
DR   RefSeq; WP_010947435.1; NC_009494.2.
DR   AlphaFoldDB; A5ICK4; -.
DR   SMR; A5ICK4; -.
DR   GeneID; 66490838; -.
DR   KEGG; lpc:LPC_1137; -.
DR   HOGENOM; CLU_053835_0_0_6; -.
DR   OMA; TLNDWVD; -.
DR   BioCyc; LPNE400673:LPC_RS08900-MON; -.
DR   UniPathway; UPA00185; UER00280.
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.
FT   CHAIN           1..448
FT                   /note="N-succinylarginine dihydrolase"
FT                   /id="PRO_1000065728"
FT   ACT_SITE        174
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   ACT_SITE        252
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   ACT_SITE        372
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         216
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   BINDING         254
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
FT   BINDING         366
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01172"
SQ   SEQUENCE   448 AA;  50134 MW;  C7B71B56141BE4E3 CRC64;
     MNVYELNMDG LVGQTHHYAG LSSGNIASTN NALSISNPQA AARQGLEKMR QLYNMGLKQG
     LLPPHQRPNL NLLYQLGFKG TPSEQINKAY KTAPELLSAC YSASSMWTAN AATVSASVDT
     EDNKVHFTAA NLISNLHRHQ EADFSKKLLE FIFSNSDYFN HHPLLPKSMG TSDEGAANHN
     RLCQSHAHSG INLFVYGKKV LGNHQFEQSP IKYPARQTKE ASEAIARNHL LNPERVIFAC
     QNPLAIDQGV FHNDVISVAN EHVFLVHEEA FYNQAYVLDQ LREKADFPLV IIQISKEQIS
     VSEAVDTYLF NSQLITLPDQ KNMILIAPAE CQANLKVKTC IDGLVADPQN PINSVYYLDL
     KQSMRNGGGP ACLRLRVPLN DYELKAMHQG ILIDNDLLDI LDKWVLKYYR TELKIPDLAD
     PQLLYECLDA LDELTQILKL GSIYPFQS