ID A0A1U9R934_9GAMM Unreviewed; 298 AA.
AC A0A1U9R934;
DT 07-JUN-2017, integrated into UniProtKB/TrEMBL.
DT 07-JUN-2017, sequence version 1.
DT 24-JAN-2024, entry version 23.
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=B2G49_05695 {ECO:0000313|EMBL:AQU82134.1};
OS Halomonas sp. 'Soap Lake #7'.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC Halomonadaceae; Halomonas.
OX NCBI_TaxID=1962264 {ECO:0000313|EMBL:AQU82134.1, ECO:0000313|Proteomes:UP000189672};
RN [1] {ECO:0000313|EMBL:AQU82134.1, ECO:0000313|Proteomes:UP000189672}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Soap Lake #7 {ECO:0000313|EMBL:AQU82134.1,
RC ECO:0000313|Proteomes:UP000189672};
RA Peterson S.W.;
RL Submitted (FEB-2017) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:AQU82134.1, ECO:0000313|Proteomes:UP000189672}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Soap Lake #7 {ECO:0000313|EMBL:AQU82134.1,
RC ECO:0000313|Proteomes:UP000189672};
RA Mormile M.R.;
RT "Halomonas from Soap Lake, Washington USA.";
RL Submitted (MAR-2017) to the EMBL/GenBank/DDBJ databases.
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; CP019915; AQU82134.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1U9R934; -.
DR STRING; 1962264.B2G49_05695; -.
DR KEGG; haso:B2G49_05695; -.
DR OrthoDB; 9805733at2; -.
DR UniPathway; UPA00136; UER00200.
DR Proteomes; UP000189672; 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; IPR005858; CysM.
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 NCBIfam; TIGR01138; cysM; 1.
DR PANTHER; PTHR10314; CYSTATHIONINE BETA-SYNTHASE; 1.
DR PANTHER; PTHR10314:SF162; CYSTEINE SYNTHASE B; 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 Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003985}.
FT DOMAIN 7..283
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT BINDING 73
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 176..180
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 257
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT MOD_RES 43
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-51"
SQ SEQUENCE 298 AA; 31734 MW; 54C8B95A2EFE4AE8 CRC64;
MNYPTLEDVV GNTPLVRLKR ITAGRNNTLL AKLEGNNPAG SVKDRPALSM LGEAEARGEI
TPGDTLIEAT SGNTGIALAM AAAIKGYNMV LVMPENASAE RKQAMAAYGA TLISASKEGG
MEEARDIADA MIARGEGKPL NQFANPDNPL AHYRTTGPEV WRQTGGEVTH FVSSMGTTGT
IMGVSRYLKE QNEAIQIVGL QPADGASIPG IRRWPQEYLP AIFEAPRVDV TLDIGQQEAE
THMRRLAREE GILAGVSSGG SLAGALRIAE QTENAVIVFI VCDRGDRYLS TGLFAPEI
//
