ID A0A2C5Y9J1_9HYPO Unreviewed; 520 AA.
AC A0A2C5Y9J1;
DT 20-DEC-2017, integrated into UniProtKB/TrEMBL.
DT 20-DEC-2017, sequence version 1.
DT 27-MAR-2024, entry version 21.
DE RecName: Full=Cystathionine beta-synthase {ECO:0000256|ARBA:ARBA00026192, ECO:0000256|RuleBase:RU361204};
DE EC=4.2.1.22 {ECO:0000256|ARBA:ARBA00012041, ECO:0000256|RuleBase:RU361204};
GN ORFNames=CDD81_228 {ECO:0000313|EMBL:PHH66165.1};
OS Ophiocordyceps australis.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Sordariomycetes;
OC Hypocreomycetidae; Hypocreales; Ophiocordycipitaceae; Ophiocordyceps.
OX NCBI_TaxID=1399860 {ECO:0000313|EMBL:PHH66165.1, ECO:0000313|Proteomes:UP000226192};
RN [1] {ECO:0000313|EMBL:PHH66165.1, ECO:0000313|Proteomes:UP000226192}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Map64 {ECO:0000313|EMBL:PHH66165.1,
RC ECO:0000313|Proteomes:UP000226192};
RA De Bekker C., Evans H.C., Brachmann A., Hughes D.P.;
RT "Ant-infecting Ophiocordyceps genomes reveal a high diversity of potential
RT behavioral manipulation genes and a possible major role for enterotoxins.";
RL Submitted (JUN-2017) 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 ECO:0000256|RuleBase:RU361204};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|RuleBase:RU361204};
CC -!- PATHWAY: Amino-acid biosynthesis; L-cysteine biosynthesis; L-cysteine
CC from L-homocysteine and L-serine: step 1/2.
CC {ECO:0000256|ARBA:ARBA00005003}.
CC -!- SIMILARITY: Belongs to the cysteine synthase/cystathionine beta-
CC synthase family. {ECO:0000256|ARBA:ARBA00007103,
CC ECO:0000256|RuleBase:RU361204}.
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:PHH66165.1}.
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DR EMBL; NJET01000010; PHH66165.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2C5Y9J1; -.
DR STRING; 1399860.A0A2C5Y9J1; -.
DR OrthoDB; 5487987at2759; -.
DR UniPathway; UPA00136; UER00201.
DR Proteomes; UP000226192; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:InterPro.
DR GO; GO:0004122; F:cystathionine beta-synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006535; P:cysteine biosynthetic process from serine; IEA:UniProtKB-UniRule.
DR GO; GO:0019343; P:cysteine biosynthetic process via cystathionine; IEA:UniProtKB-UniRule.
DR CDD; cd01561; CBS_like; 1.
DR CDD; cd04608; CBS_pair_CBS; 1.
DR Gene3D; 3.40.50.1100; -; 2.
DR Gene3D; 3.10.580.10; CBS-domain; 1.
DR InterPro; IPR046353; CBS_C.
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; 1.
DR Pfam; PF00291; PALP; 1.
DR SMART; SM00116; CBS; 1.
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 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|RuleBase:RU361204};
KW CBS domain {ECO:0000256|ARBA:ARBA00023122, ECO:0000256|PROSITE-
KW ProRule:PRU00703};
KW Cysteine biosynthesis {ECO:0000256|ARBA:ARBA00023192,
KW ECO:0000256|RuleBase:RU361204};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|RuleBase:RU361204};
KW Pyridoxal phosphate {ECO:0000256|RuleBase:RU361204};
KW Reference proteome {ECO:0000313|Proteomes:UP000226192}.
FT DOMAIN 372..428
FT /note="CBS"
FT /evidence="ECO:0000259|PROSITE:PS51371"
SQ SEQUENCE 520 AA; 56134 MW; FD2B193DE5683511 CRC64;
MDQKIPHVGP VAATVCSATE LIGNTPLIRL NKVPQSLGIQ CQVYAKTELF NAGGSVKDRI
ALRMIEQAER SGRIKPGDTL IEPTSGNTGI GLALVGAIKG YKTIITMPEK MSAEKVSVLR
ALGATIIRTP TQAAWDSPES HIGVARRLEK EMPNAHILDQ YGNADNPLAH EHGTAEEIWK
QTGGTIKAII AGAGTGGTIS GLARGLRKHN KDIKIICADP QGSILALPES LNEEHMNQPY
KVEGIGYDFV PDVLERTLVD KWYKTDDLES FQLARRLISE EGLLVGGSSG SAMAAMVRAV
KEYGFTKDDV VVVVLPDSIR SYLSKFADDD WLAANGLLMS SGVEEDIDAK THGRRPSKTA
DPYDGATVAS LRLKPVTSVA ADATCSEAIE TMRDKGFDQL PVLSKSCKLM GLVTLGNMLS
YISRGRATSS SPVKDVMFDF GSFDEIVTDP RQSAMGHTAE RKRKFVEITM DTPLSALSSF
FEWNSAAVVT EKSGDAKSLS KPMAVVTKVD LLTWLVNKKL
//
