ID I9AW41_9FIRM Unreviewed; 309 AA.
AC I9AW41;
DT 03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2012, sequence version 1.
DT 24-JAN-2024, entry version 46.
DE RecName: Full=Cysteine synthase {ECO:0000256|ARBA:ARBA00019371, ECO:0000256|RuleBase:RU003985};
DE EC=2.5.1.47 {ECO:0000256|ARBA:ARBA00012681, ECO:0000256|RuleBase:RU003985};
GN ORFNames=FB4_4483 {ECO:0000313|EMBL:EIW17127.1};
OS Pelosinus fermentans B4.
OC Bacteria; Bacillota; Negativicutes; Selenomonadales; Sporomusaceae;
OC Pelosinus.
OX NCBI_TaxID=1149862 {ECO:0000313|EMBL:EIW17127.1, ECO:0000313|Proteomes:UP000004324};
RN [1] {ECO:0000313|EMBL:EIW17127.1, ECO:0000313|Proteomes:UP000004324}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=B4 {ECO:0000313|EMBL:EIW17127.1,
RC ECO:0000313|Proteomes:UP000004324};
RX PubMed=22933770; DOI=10.1128/JB.01174-12;
RA Brown S.D., Podar M., Klingeman D.M., Johnson C.M., Yang Z.K.,
RA Utturkar S.M., Land M.L., Mosher J.J., Hurt R.A.Jr., Phelps T.J.,
RA Palumbo A.V., Arkin A.P., Hazen T.C., Elias D.A.;
RT "Draft Genome Sequences for Two Metal-Reducing Pelosinus fermentans Strains
RT Isolated from a Cr(VI)-Contaminated Site and for Type Strain R7.";
RL J. Bacteriol. 194:5147-5148(2012).
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:EIW17127.1}.
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DR EMBL; AKVJ01000031; EIW17127.1; -; Genomic_DNA.
DR RefSeq; WP_007936419.1; NZ_AKVJ01000031.1.
DR AlphaFoldDB; I9AW41; -.
DR PATRIC; fig|1149862.3.peg.3451; -.
DR OrthoDB; 9808024at2; -.
DR UniPathway; UPA00136; UER00200.
DR Proteomes; UP000004324; 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 Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003985}.
FT DOMAIN 8..295
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 179..183
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR605856-50"
FT BINDING 267
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 309 AA; 32771 MW; E85E3C622A8F603A CRC64;
MSKIANSVTD LIGQTPLLKL NRVAEGTAAE VVVKLELFNP GGSIKDRIGF SMIKDAEEKG
LIKKDTVIIE PTSGNTGIAL ALIAAARGYR LILTMPETMS TERRSLLKVY GAELVLTPGA
EGMKGAVRKA EELAAQIPNS FVPQQFNNPA NPEIHRATTA EEIWEDTNGK VDIVVGGVGT
GGTITGVGEN LKKRNPNIKI VAVEPFGSPV LSGGQPGPHK IQGIGAGFLP NVLNLDIVDE
IYKVKNEEAL EIAQRLAREE GILVGISSGA SAFAALQIAS RQENQGKLIV AVLPDTGERY
ISTALFEDN
//
