ID U2YDN2_STRCV Unreviewed; 309 AA.
AC U2YDN2;
DT 13-NOV-2013, integrated into UniProtKB/TrEMBL.
DT 13-NOV-2013, sequence version 1.
DT 24-JAN-2024, entry version 43.
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=ANG5_1978 {ECO:0000313|EMBL:GAD45450.1};
OS Streptococcus constellatus subsp. pharyngis SK1060 = CCUG 46377.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae;
OC Streptococcus; Streptococcus anginosus group.
OX NCBI_TaxID=1035184 {ECO:0000313|EMBL:GAD45450.1, ECO:0000313|Proteomes:UP000016985};
RN [1] {ECO:0000313|EMBL:GAD45450.1, ECO:0000313|Proteomes:UP000016985}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CCUG46377 {ECO:0000313|Proteomes:UP000016985};
RA Maruyama F., Sakurai A., Ogura Y., Homma H., Takahashi N., Ohtsubo Y.,
RA Hoshino T., Okahashi N., Nakagawa I., Kimura S., Fujiwara T., Hayashi T.,
RA Shintani S.;
RT "Genome Sequences of seven clinical isolates and type strains of anginosus
RT group streptococci.";
RL Submitted (SEP-2013) 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}.
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:GAD45450.1}.
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DR EMBL; BASX01000029; GAD45450.1; -; Genomic_DNA.
DR RefSeq; WP_020997639.1; NZ_BASX01000029.1.
DR AlphaFoldDB; U2YDN2; -.
DR UniPathway; UPA00136; UER00200.
DR Proteomes; UP000016985; 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..294
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; 32494 MW; 741B68F739C7AAB6 CRC64;
MAQIYHNITE LIGNTPIMKL NKLVPEGAAD VYVKLEAFNP GSSVKDRIAL SMIETAEQEG
LLQPGTTIVE ATSGNTGIGL SWVGAAKGYK VVIVMPETMS VERRKIIQAY GAELVLTPGS
EGMKGAIAKA EEIAKERNGW LPLQFNNPAN PEVHERTTGA EIIAAFGEKG LDAFVGGVGT
GGTISGVSHA LKKVNPDIQV YAVEADESAI LSGKKPGPHK IQGISAGFIP ETLDTQAYDG
IVRVTSNQAL DLGRRVGGQE GFLVGISSAA AIYAALEVAK KLGPGKKILA LAPDNGERYL
STDLYNVEV
//
