ID D7E5X6_METEZ Unreviewed; 411 AA.
AC D7E5X6;
DT 10-AUG-2010, integrated into UniProtKB/TrEMBL.
DT 10-AUG-2010, sequence version 1.
DT 27-MAR-2024, entry version 81.
DE RecName: Full=Serine hydroxymethyltransferase {ECO:0000256|HAMAP-Rule:MF_00051};
DE Short=SHMT {ECO:0000256|HAMAP-Rule:MF_00051};
DE Short=Serine methylase {ECO:0000256|HAMAP-Rule:MF_00051};
DE EC=2.1.2.1 {ECO:0000256|HAMAP-Rule:MF_00051};
GN Name=glyA {ECO:0000256|HAMAP-Rule:MF_00051};
GN OrderedLocusNames=Metev_0066 {ECO:0000313|EMBL:ADI72998.1};
OS Methanohalobium evestigatum (strain ATCC BAA-1072 / DSM 3721 / NBRC 107634
OS / OCM 161 / Z-7303).
OC Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC Methanosarcinales; Methanosarcinaceae; Methanohalobium.
OX NCBI_TaxID=644295 {ECO:0000313|EMBL:ADI72998.1, ECO:0000313|Proteomes:UP000000391};
RN [1] {ECO:0000313|EMBL:ADI72998.1, ECO:0000313|Proteomes:UP000000391}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1072 / DSM 3721 / NBRC 107634 / OCM 161 / Z-7303
RC {ECO:0000313|Proteomes:UP000000391};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Cheng J.-F., Bruce D., Goodwin L.,
RA Pitluck S., Saunders E., Detter J.C., Han C., Tapia R., Land M., Hauser L.,
RA Kyrpides N., Mikhailova N., Sieprawska-Lupa M., Whitman W.B., Anderson I.,
RA Woyke T.;
RT "Complete sequence chromosome of Methanohalobium evestigatum Z-7303.";
RL Submitted (JUN-2010) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the reversible interconversion of serine and
CC glycine with tetrahydrofolate (THF) serving as the one-carbon carrier.
CC Also exhibits THF-independent aldolase activity toward beta-
CC hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol
CC mechanism. {ECO:0000256|HAMAP-Rule:MF_00051}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(6R)-5,10-methylene-5,6,7,8-tetrahydrofolate + glycine + H2O =
CC (6S)-5,6,7,8-tetrahydrofolate + L-serine; Xref=Rhea:RHEA:15481,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15636, ChEBI:CHEBI:33384,
CC ChEBI:CHEBI:57305, ChEBI:CHEBI:57453; EC=2.1.2.1;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00051};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|HAMAP-Rule:MF_00051, ECO:0000256|PIRSR:PIRSR000412-50};
CC -!- PATHWAY: Amino-acid biosynthesis; glycine biosynthesis; glycine from L-
CC serine: step 1/1. {ECO:0000256|HAMAP-Rule:MF_00051}.
CC -!- PATHWAY: One-carbon metabolism; tetrahydrofolate interconversion.
CC {ECO:0000256|HAMAP-Rule:MF_00051}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738, ECO:0000256|HAMAP-
CC Rule:MF_00051}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00051}.
CC -!- SIMILARITY: Belongs to the SHMT family. {ECO:0000256|ARBA:ARBA00006376,
CC ECO:0000256|HAMAP-Rule:MF_00051}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00051}.
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DR EMBL; CP002069; ADI72998.1; -; Genomic_DNA.
DR RefSeq; WP_013193566.1; NC_014253.1.
DR AlphaFoldDB; D7E5X6; -.
DR STRING; 644295.Metev_0066; -.
DR GeneID; 9345677; -.
DR KEGG; mev:Metev_0066; -.
DR HOGENOM; CLU_022477_2_1_2; -.
DR OrthoDB; 5821at2157; -.
DR UniPathway; UPA00193; -.
DR UniPathway; UPA00288; UER01023.
DR Proteomes; UP000000391; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004372; F:glycine hydroxymethyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008168; F:methyltransferase activity; IEA:UniProtKB-KW.
DR GO; GO:0030170; F:pyridoxal phosphate binding; IEA:UniProtKB-UniRule.
DR GO; GO:0019264; P:glycine biosynthetic process from serine; IEA:UniProtKB-UniRule.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR GO; GO:0035999; P:tetrahydrofolate interconversion; IEA:UniProtKB-UniPathway.
DR CDD; cd00378; SHMT; 1.
DR Gene3D; 3.90.1150.10; Aspartate Aminotransferase, domain 1; 1.
DR Gene3D; 3.40.640.10; Type I PLP-dependent aspartate aminotransferase-like (Major domain); 1.
DR HAMAP; MF_00051; SHMT; 1.
DR InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR InterPro; IPR001085; Ser_HO-MeTrfase.
DR InterPro; IPR019798; Ser_HO-MeTrfase_PLP_BS.
DR InterPro; IPR039429; SHMT-like_dom.
DR PANTHER; PTHR11680; SERINE HYDROXYMETHYLTRANSFERASE; 1.
DR PANTHER; PTHR11680:SF28; SERINE HYDROXYMETHYLTRANSFERASE; 1.
DR Pfam; PF00464; SHMT; 1.
DR PIRSF; PIRSF000412; SHMT; 1.
DR SUPFAM; SSF53383; PLP-dependent transferases; 1.
DR PROSITE; PS00096; SHMT; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_00051};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00051};
KW Methyltransferase {ECO:0000313|EMBL:ADI72998.1};
KW One-carbon metabolism {ECO:0000256|ARBA:ARBA00022563, ECO:0000256|HAMAP-
KW Rule:MF_00051};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898, ECO:0000256|HAMAP-
KW Rule:MF_00051}; Reference proteome {ECO:0000313|Proteomes:UP000000391};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00051}.
FT DOMAIN 5..379
FT /note="Serine hydroxymethyltransferase-like"
FT /evidence="ECO:0000259|Pfam:PF00464"
FT BINDING 117
FT /ligand="(6S)-5,6,7,8-tetrahydrofolate"
FT /ligand_id="ChEBI:CHEBI:57453"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00051"
FT BINDING 121..123
FT /ligand="(6S)-5,6,7,8-tetrahydrofolate"
FT /ligand_id="ChEBI:CHEBI:57453"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00051"
FT BINDING 240
FT /ligand="(6S)-5,6,7,8-tetrahydrofolate"
FT /ligand_id="ChEBI:CHEBI:57453"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00051"
FT SITE 225
FT /note="Plays an important role in substrate specificity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00051"
FT MOD_RES 226
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00051,
FT ECO:0000256|PIRSR:PIRSR000412-50"
SQ SEQUENCE 411 AA; 45222 MW; 105714316B99366E CRC64;
MSYISEIDPE IAEAMELEAK RQDYKLNLIA SENYTSRAVM EAQGSIMTNK YAEGYSGKRY
YGGCEYVDIA ENLAIDRAKQ IFGAEHVNVQ PHSGSNANMA VYFSVLEYGD TIMAMDLSQG
GHLSHGSPVN FTGKFYNVVP YGVNKETETI DYDELMDIAK ENKPKMIVAG ASAYSREIDF
KRFREIADEV GAYLLADIAH IAGLVAAGVH QNPVPYADFV TTTTHKTLRG PRGGMIMCSE
DYAKAIDKTV FPGIQGGPLM HVIAGKAVAF KEAQTPQFKK DLEQTVKNAK ALCKNLEDRG
FTIVSGDTDN HMMLVNLNDF DITGKDAETV FSKAGIVLNK NTIPSETRGP FITSGVRVGT
PPITTRGMKE SEMEDVADFL KQAIDNRNDD SELEKISADV QQFASSYPIY K
//