ID K6Y0H0_9ALTE Unreviewed; 321 AA.
AC K6Y0H0;
DT 09-JAN-2013, integrated into UniProtKB/TrEMBL.
DT 09-JAN-2013, sequence version 1.
DT 24-JAN-2024, entry version 46.
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 Name=cysK {ECO:0000313|EMBL:GAC17386.1};
GN ORFNames=GARC_0404 {ECO:0000313|EMBL:GAC17386.1};
OS Paraglaciecola arctica BSs20135.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales;
OC Alteromonadaceae; Paraglaciecola.
OX NCBI_TaxID=493475 {ECO:0000313|EMBL:GAC17386.1, ECO:0000313|Proteomes:UP000006327};
RN [1] {ECO:0000313|EMBL:GAC17386.1, ECO:0000313|Proteomes:UP000006327}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BSs20135 {ECO:0000313|EMBL:GAC17386.1,
RC ECO:0000313|Proteomes:UP000006327};
RX PubMed=25009843;
RA Qin Q.-L., Xie B.-B., Yu Y., Shu Y.-L., Rong J.-C., Zhang Y.-J.,
RA Zhao D.-L., Chen X.-L., Zhang X.-Y., Chen B., Zhou B.-C., Zhang Y.-Z.;
RT "Comparative genomics of the marine bacterial genus Glaciecola reveals the
RT high degree of genomic diversity and genomic characteristic for cold
RT adaptation.";
RL Environ. Microbiol. 16:1642-1653(2014).
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}.
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:GAC17386.1}.
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DR EMBL; BAEO01000006; GAC17386.1; -; Genomic_DNA.
DR RefSeq; WP_007616149.1; NZ_BAEO01000006.1.
DR AlphaFoldDB; K6Y0H0; -.
DR STRING; 493475.GARC_0404; -.
DR eggNOG; COG0031; Bacteria.
DR OrthoDB; 9805733at2; -.
DR UniPathway; UPA00136; UER00200.
DR Proteomes; UP000006327; Unassembled WGS sequence.
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:UP000006327};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003985}.
FT DOMAIN 8..297
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT BINDING 71
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 271
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT MOD_RES 41
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-51"
SQ SEQUENCE 321 AA; 34046 MW; 89FD06CF6A6D59C4 CRC64;
MQVYDDHSLA IGKTPLVKLN RVTGGNVYAK IESRNPSFSV KCRIGANMIW DAEKKGLLKP
GNEIVEATSG NTGIALAFVA ASRGYKITLT MPSSMSLERR KLLKAMGANL VLTEAPKGMK
GAIAAANEIV ASDPSKYIPM HQFENPANPE IHEKTTGPEI WNDTDGKVDI FVAGVGTGGT
ITGVSRYIKN TQGKAITTVA VEPTDSPVIT QAKAGDELTP GPHKIQGIGA GFIPGNLDLD
IVDAVEQVSN EECMAMTHRL MKEEGILAGI SSGAAVVAAK RWAEKPENAN KIIVVILASA
SERYLSSPLF AGEFSDSENV Q
//
