ID A0A126T7P9_9GAMM Unreviewed; 316 AA.
AC A0A126T7P9;
DT 11-MAY-2016, integrated into UniProtKB/TrEMBL.
DT 11-MAY-2016, sequence version 1.
DT 24-JAN-2024, entry version 30.
DE RecName: Full=Cysteine synthase {ECO:0000256|ARBA:ARBA00012681, ECO:0000256|RuleBase:RU003985};
DE EC=2.5.1.47 {ECO:0000256|ARBA:ARBA00012681, ECO:0000256|RuleBase:RU003985};
GN ORFNames=JT25_016705 {ECO:0000313|EMBL:AMK78101.1};
OS Methylomonas denitrificans.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Methylococcales;
OC Methylococcaceae; Methylomonas.
OX NCBI_TaxID=1538553 {ECO:0000313|EMBL:AMK78101.1, ECO:0000313|Proteomes:UP000030512};
RN [1] {ECO:0000313|EMBL:AMK78101.1, ECO:0000313|Proteomes:UP000030512}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=FJG1 {ECO:0000313|EMBL:AMK78101.1,
RC ECO:0000313|Proteomes:UP000030512};
RX PubMed=25580993; DOI=10.1111/1462-2920.12772;
RA Kits K.D., Klotz M.G., Stein L.Y.;
RT "Methane oxidation coupled to nitrate reduction under hypoxia by the
RT Gammaproteobacterium Methylomonas denitrificans, sp. nov. type strain
RT FJG1.";
RL Environ. Microbiol. 17:3219-3232(2015).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=hydrogen sulfide + O-acetyl-L-serine = acetate + L-cysteine;
CC Xref=Rhea:RHEA:14829, ChEBI:CHEBI:29919, ChEBI:CHEBI:30089,
CC ChEBI:CHEBI:35235, ChEBI:CHEBI:58340; EC=2.5.1.47;
CC Evidence={ECO:0000256|ARBA:ARBA00000298,
CC ECO:0000256|RuleBase:RU003985};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|PIRSR:PIRSR605856-50, ECO:0000256|RuleBase:RU003985};
CC -!- PATHWAY: Amino-acid biosynthesis; L-cysteine biosynthesis; L-cysteine
CC from L-serine: step 2/2. {ECO:0000256|ARBA:ARBA00004962}.
CC -!- SIMILARITY: Belongs to the cysteine synthase/cystathionine beta-
CC synthase family. {ECO:0000256|ARBA:ARBA00007103,
CC ECO:0000256|RuleBase:RU003985}.
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DR EMBL; CP014476; AMK78101.1; -; Genomic_DNA.
DR RefSeq; WP_062329235.1; NZ_CP014476.1.
DR AlphaFoldDB; A0A126T7P9; -.
DR STRING; 1538553.JT25_016705; -.
DR KEGG; mdn:JT25_016705; -.
DR OrthoDB; 9805733at2; -.
DR UniPathway; UPA00136; UER00200.
DR Proteomes; UP000030512; Chromosome.
DR GO; GO:0004124; F:cysteine synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006535; P:cysteine biosynthetic process from serine; IEA:UniProtKB-UniRule.
DR CDD; cd01561; CBS_like; 1.
DR Gene3D; 3.40.50.1100; -; 2.
DR InterPro; IPR005856; Cys_synth.
DR InterPro; IPR005859; CysK.
DR InterPro; IPR001216; P-phosphate_BS.
DR InterPro; IPR001926; TrpB-like_PALP.
DR InterPro; IPR036052; TrpB-like_PALP_sf.
DR NCBIfam; TIGR01139; cysK; 1.
DR NCBIfam; TIGR01136; cysKM; 1.
DR PANTHER; PTHR10314; CYSTATHIONINE BETA-SYNTHASE; 1.
DR PANTHER; PTHR10314:SF194; CYSTATHIONINE BETA-SYNTHASE; 1.
DR Pfam; PF00291; PALP; 1.
DR SUPFAM; SSF53686; Tryptophan synthase beta subunit-like PLP-dependent enzymes; 1.
DR PROSITE; PS00901; CYS_SYNTHASE; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|RuleBase:RU003985};
KW Cysteine biosynthesis {ECO:0000256|ARBA:ARBA00023192,
KW ECO:0000256|RuleBase:RU003985};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR605856-50};
KW Reference proteome {ECO:0000313|Proteomes:UP000030512};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003985}.
FT DOMAIN 10..303
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT BINDING 75
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 180..184
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 275
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT MOD_RES 45
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-51"
SQ SEQUENCE 316 AA; 32995 MW; D8BAAEB3D4CAAB57 CRC64;
MPAWYSDNSQ SIGRTPLVRI NHISQGLNAT LLVKIEGRNP SYSVKCRVGA AMVWAAERQG
LLTPGKTLLE ATSGNSGIAL AAVAAARGIP ITLTMPDNMS QERRTLLLAY GANLLLTDGA
LGMRAAVEKA EAIAAADPEQ YLLLEQFKNP ANPAIHEQTT GPEIWRDSGG MIDIFVAGVG
TGGTITGVSR YLKNSCGKPV LSVAVEPAGS PVLSQTRAGL PLQAAAHRIQ GIGAGFVPQN
LDLSLIDLIE PVDDEEAIAY ARRLAKEEGI MAGISSGAAL AVAVRLAKRA EHAGKVIVAV
LPDSGERYLS SALFAA
//
