ID D6XSH1_BACIE Unreviewed; 312 AA.
AC D6XSH1;
DT 10-AUG-2010, integrated into UniProtKB/TrEMBL.
DT 10-AUG-2010, sequence version 1.
DT 27-MAR-2024, entry version 87.
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 OrderedLocusNames=Bsel_1245 {ECO:0000313|EMBL:ADH98757.1};
OS Bacillus selenitireducens (strain ATCC 700615 / DSM 15326 / MLS10).
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae;
OC Salisediminibacterium.
OX NCBI_TaxID=439292 {ECO:0000313|EMBL:ADH98757.1, ECO:0000313|Proteomes:UP000000271};
RN [1] {ECO:0000313|EMBL:ADH98757.1, ECO:0000313|Proteomes:UP000000271}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700615 / DSM 15326 / MLS10
RC {ECO:0000313|Proteomes:UP000000271};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Sims D., Brettin T., Detter J.C., Han C.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Ovchinnikova G., Stolz J.;
RT "Complete sequence of Bacillus selenitireducens MLS10.";
RL Submitted (OCT-2009) 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; CP001791; ADH98757.1; -; Genomic_DNA.
DR RefSeq; WP_013172181.1; NC_014219.1.
DR AlphaFoldDB; D6XSH1; -.
DR STRING; 439292.Bsel_1245; -.
DR KEGG; bse:Bsel_1245; -.
DR eggNOG; COG0031; Bacteria.
DR HOGENOM; CLU_021018_1_0_9; -.
DR OrthoDB; 9808024at2; -.
DR UniPathway; UPA00136; UER00200.
DR Proteomes; UP000000271; 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:SF102; CYSTEINE SYNTHASE-RELATED; 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 8..296
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 269
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 312 AA; 33486 MW; F552DEA6AFDBACA1 CRC64;
MKVVMNIAEL IGDTPLLKLN QLTEEDSADV YLKLEFMNPS GSVKDRAASN MITEAERQGH
LNPDSIIVEP TSGNTGIGLA MAAAAKGYKA ILVMPDTMSQ ERINLLKAYG AKVELTPGDK
KMPGAIERAH EIIKETPGSF MPMQFENSAN PDVHRDTTAR EIIECMDSIG KDLSAFVAAS
GTGGTVTGTG EELKKRYEDL TVHVVEPKGS PVLSGGKPGP HKLVGTSPGF VPPILNQDVY
DEIFCISDED AYETTHRLAR EEGVLVGPSS GAACYAALQV AKRLSPDQAV VAIACDTGER
YLSTDLFEFD KQ
//
