ID A0A0S8ACT0_9GAMM Unreviewed; 324 AA.
AC A0A0S8ACT0;
DT 17-FEB-2016, integrated into UniProtKB/TrEMBL.
DT 17-FEB-2016, sequence version 1.
DT 24-JAN-2024, entry version 22.
DE RecName: Full=cysteine synthase {ECO:0000256|ARBA:ARBA00012681};
DE EC=2.5.1.47 {ECO:0000256|ARBA:ARBA00012681};
GN ORFNames=AMJ53_00250 {ECO:0000313|EMBL:KPJ96555.1};
OS Gammaproteobacteria bacterium SG8_11.
OC Bacteria; Pseudomonadota; Gammaproteobacteria.
OX NCBI_TaxID=1703402 {ECO:0000313|EMBL:KPJ96555.1, ECO:0000313|Proteomes:UP000051175};
RN [1] {ECO:0000313|EMBL:KPJ96555.1, ECO:0000313|Proteomes:UP000051175}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SG8_11 {ECO:0000313|EMBL:KPJ96555.1};
RX PubMed=25922666; DOI=10.1186/s40168-015-0077-6;
RA Baker B.J., Lazar C.S., Teske A.P., Dick G.J.;
RT "Genomic resolution of linkages in carbon, nitrogen, and sulfur cycling
RT among widespread estuary sediment bacteria.";
RL Microbiome 3:14-14(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 -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|PIRSR:PIRSR605856-50};
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 -!- 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:KPJ96555.1}.
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DR EMBL; LJNJ01000002; KPJ96555.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0S8ACT0; -.
DR PATRIC; fig|1703402.3.peg.3508; -.
DR UniPathway; UPA00136; UER00200.
DR Proteomes; UP000051175; Unassembled WGS sequence.
DR GO; GO:0004124; F:cysteine synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0006535; P:cysteine biosynthetic process from serine; IEA:InterPro.
DR CDD; cd01561; CBS_like; 1.
DR Gene3D; 3.40.50.1100; -; 2.
DR InterPro; IPR005856; Cys_synth.
DR InterPro; IPR001216; P-phosphate_BS.
DR InterPro; IPR001926; TrpB-like_PALP.
DR InterPro; IPR036052; TrpB-like_PALP_sf.
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|ARBA:ARBA00023192};
KW Cysteine biosynthesis {ECO:0000256|ARBA:ARBA00023192};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR605856-50};
KW Transferase {ECO:0000256|ARBA:ARBA00022679}.
FT DOMAIN 9..302
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT BINDING 74
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 181..185
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 44
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-51"
SQ SEQUENCE 324 AA; 35754 MW; F18EA23B993145C2 CRC64;
MKPYDNALET IGHTPMVELK KIQRLTKATI LAKLEFLNPG GSVKDRMALY MIEDAEKRGL
LKPGGTIVEN SSGNTGTALA MIAAVKGYKC IITMPDKMSD EKKNLMKAFG ADVIVTPTDV
PADSPESYYS VARRIAKETP NSYYPDQYNN PKNIDAHFET TAPEIWEQTK GNIDILICGI
GTGGTLSGVG QFLKKQNPEI KVIAADPIGS VFYDYFKTGK LPAPHVYKVE GIGEDYLVKA
VDFSIIDDMI QVNDKDSFLM TRRLTREEGI FAGGSSGSAV WAAFQVAKEL HQPKNIVVIL
PDSGTRYLSK IFNDDWMKEH GFLE
//
