ID A0A1H5C1Q6_9PSEU Unreviewed; 469 AA.
AC A0A1H5C1Q6;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 27-MAR-2024, entry version 20.
DE RecName: Full=Cystathionine beta-synthase {ECO:0000256|ARBA:ARBA00026192};
DE EC=4.2.1.22 {ECO:0000256|ARBA:ARBA00012041};
DE AltName: Full=Beta-thionase {ECO:0000256|ARBA:ARBA00030337};
DE AltName: Full=Serine sulfhydrase {ECO:0000256|ARBA:ARBA00031579};
GN ORFNames=SAMN04489727_8545 {ECO:0000313|EMBL:SED60391.1};
OS Amycolatopsis tolypomycina.
OC Bacteria; Actinomycetota; Actinomycetes; Pseudonocardiales;
OC Pseudonocardiaceae; Amycolatopsis.
OX NCBI_TaxID=208445 {ECO:0000313|EMBL:SED60391.1, ECO:0000313|Proteomes:UP000199622};
RN [1] {ECO:0000313|EMBL:SED60391.1, ECO:0000313|Proteomes:UP000199622}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 44544 {ECO:0000313|EMBL:SED60391.1,
RC ECO:0000313|Proteomes:UP000199622};
RA de Groot N.N.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-homocysteine + L-serine = H2O + L,L-cystathionine;
CC Xref=Rhea:RHEA:10112, ChEBI:CHEBI:15377, ChEBI:CHEBI:33384,
CC ChEBI:CHEBI:58161, ChEBI:CHEBI:58199; EC=4.2.1.22;
CC Evidence={ECO:0000256|ARBA:ARBA00001175};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933};
CC -!- PATHWAY: Amino-acid biosynthesis. {ECO:0000256|ARBA:ARBA00029440}.
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DR EMBL; FNSO01000004; SED60391.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H5C1Q6; -.
DR STRING; 208445.SAMN04489727_8545; -.
DR UniPathway; UPA00136; UER00201.
DR Proteomes; UP000199622; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:InterPro.
DR GO; GO:0004122; F:cystathionine beta-synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0016765; F:transferase activity, transferring alkyl or aryl (other than methyl) groups; IEA:UniProt.
DR GO; GO:0006535; P:cysteine biosynthetic process from serine; IEA:InterPro.
DR GO; GO:0019343; P:cysteine biosynthetic process via cystathionine; IEA:InterPro.
DR CDD; cd01561; CBS_like; 1.
DR Gene3D; 3.40.50.1100; -; 2.
DR Gene3D; 3.10.580.10; CBS-domain; 1.
DR InterPro; IPR000644; CBS_dom.
DR InterPro; IPR046342; CBS_dom_sf.
DR InterPro; IPR005857; Cysta_beta_synth.
DR InterPro; IPR001216; P-phosphate_BS.
DR InterPro; IPR001926; TrpB-like_PALP.
DR InterPro; IPR036052; TrpB-like_PALP_sf.
DR NCBIfam; TIGR01137; cysta_beta; 1.
DR PANTHER; PTHR10314; CYSTATHIONINE BETA-SYNTHASE; 1.
DR PANTHER; PTHR10314:SF194; CYSTATHIONINE BETA-SYNTHASE; 1.
DR Pfam; PF00571; CBS; 2.
DR Pfam; PF00291; PALP; 1.
DR SMART; SM00116; CBS; 2.
DR SUPFAM; SSF54631; CBS-domain pair; 1.
DR SUPFAM; SSF53686; Tryptophan synthase beta subunit-like PLP-dependent enzymes; 1.
DR PROSITE; PS51371; CBS; 1.
DR PROSITE; PS00901; CYS_SYNTHASE; 1.
PE 4: Predicted;
KW CBS domain {ECO:0000256|ARBA:ARBA00023122, ECO:0000256|PROSITE-
KW ProRule:PRU00703}; Lyase {ECO:0000256|ARBA:ARBA00023239};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898}.
FT DOMAIN 349..411
FT /note="CBS"
FT /evidence="ECO:0000259|PROSITE:PS51371"
SQ SEQUENCE 469 AA; 49283 MW; E2EA52FD0A44E8C2 CRC64;
MDNATGGPFR LAVVEYAEHI ADLVGNTPLV RLNSLTKGLK PLVLAKVEYL NPGGSVKDRI
ALRMIEAAEA AGELRPGGTI VEPTSGNTGV GLAMVAQRKG YQCVFVCPDK VSEDKRNVLK
AYGARVVVCP TAVPPEHPDS YYNVSDRLVR EIEGAWKPNQ YANPQNPESH YHSTGPELWT
QTGGKITHFV AGVGTGGTIS GTGRYLKEVS DGAVQVVGAD PEGSVYSGGS GRPYLVEGVG
EDFWPDTYDR GIADEIIPVS DADSFQVTRR LALEEGLLVG GSCGMAVAAA LKLAERLTED
DVVVVLLPDG GRGYLTKVFN DTWMSSYGFL PPDSSGATVA DVLTKKSGSL PDLVHSHPNE
TVAEAIAILS EFGVSQMPVV SAEPPVMAAE VVGAVNERDL LDALFTGKAQ LADRLEQHMS
PPLPTIGGGE QVSAAMTALE GADGALVLVD GKPAGVVTRH DLLGFLAGR
//
