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GLYA_COXBU
ID   GLYA_COXBU              Reviewed;         419 AA.
AC   Q83BT3;
DT   31-OCT-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 110.
DE   RecName: Full=Serine hydroxymethyltransferase {ECO:0000255|HAMAP-Rule:MF_00051};
DE            Short=SHMT {ECO:0000255|HAMAP-Rule:MF_00051};
DE            Short=Serine methylase {ECO:0000255|HAMAP-Rule:MF_00051};
DE            EC=2.1.2.1 {ECO:0000255|HAMAP-Rule:MF_00051};
GN   Name=glyA {ECO:0000255|HAMAP-Rule:MF_00051}; OrderedLocusNames=CBU_1419;
OS   Coxiella burnetii (strain RSA 493 / Nine Mile phase I).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Legionellales; Coxiellaceae;
OC   Coxiella.
OX   NCBI_TaxID=227377;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RSA 493 / Nine Mile phase I;
RX   PubMed=12704232; DOI=10.1073/pnas.0931379100;
RA   Seshadri R., Paulsen I.T., Eisen J.A., Read T.D., Nelson K.E., Nelson W.C.,
RA   Ward N.L., Tettelin H., Davidsen T.M., Beanan M.J., DeBoy R.T.,
RA   Daugherty S.C., Brinkac L.M., Madupu R., Dodson R.J., Khouri H.M.,
RA   Lee K.H., Carty H.A., Scanlan D., Heinzen R.A., Thompson H.A., Samuel J.E.,
RA   Fraser C.M., Heidelberg J.F.;
RT   "Complete genome sequence of the Q-fever pathogen, Coxiella burnetii.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:5455-5460(2003).
CC   -!- FUNCTION: Catalyzes the reversible interconversion of serine and
CC       glycine with tetrahydrofolate (THF) serving as the one-carbon carrier.
CC       This reaction serves as the major source of one-carbon groups required
CC       for the biosynthesis of purines, thymidylate, methionine, and other
CC       important biomolecules. Also exhibits THF-independent aldolase activity
CC       toward beta-hydroxyamino acids, producing glycine and aldehydes, via a
CC       retro-aldol mechanism. {ECO:0000255|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:0000255|HAMAP-Rule:MF_00051};
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00051};
CC   -!- PATHWAY: One-carbon metabolism; tetrahydrofolate interconversion.
CC       {ECO:0000255|HAMAP-Rule:MF_00051}.
CC   -!- PATHWAY: Amino-acid biosynthesis; glycine biosynthesis; glycine from L-
CC       serine: step 1/1. {ECO:0000255|HAMAP-Rule:MF_00051}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00051}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00051}.
CC   -!- SIMILARITY: Belongs to the SHMT family. {ECO:0000255|HAMAP-
CC       Rule:MF_00051}.
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DR   EMBL; AE016828; AAO90917.1; -; Genomic_DNA.
DR   RefSeq; NP_820403.1; NC_002971.3.
DR   RefSeq; WP_010958216.1; NC_002971.4.
DR   AlphaFoldDB; Q83BT3; -.
DR   SMR; Q83BT3; -.
DR   STRING; 227377.CBU_1419; -.
DR   PRIDE; Q83BT3; -.
DR   EnsemblBacteria; AAO90917; AAO90917; CBU_1419.
DR   GeneID; 1209325; -.
DR   KEGG; cbu:CBU_1419; -.
DR   PATRIC; fig|227377.7.peg.1419; -.
DR   eggNOG; COG0112; Bacteria.
DR   HOGENOM; CLU_022477_2_1_6; -.
DR   OMA; SHPAGLI; -.
DR   UniPathway; UPA00193; -.
DR   UniPathway; UPA00288; UER01023.
DR   Proteomes; UP000002671; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0004372; F:glycine hydroxymethyltransferase activity; IBA:GO_Central.
DR   GO; GO:0030170; F:pyridoxal phosphate binding; IBA:GO_Central.
DR   GO; GO:0070905; F:serine binding; IBA:GO_Central.
DR   GO; GO:0008270; F:zinc ion binding; IBA:GO_Central.
DR   GO; GO:0046655; P:folic acid metabolic process; IBA:GO_Central.
DR   GO; GO:0019264; P:glycine biosynthetic process from serine; IBA:GO_Central.
DR   GO; GO:0006565; P:L-serine catabolic process; IBA:GO_Central.
DR   GO; GO:0006730; P:one-carbon metabolic process; IBA:GO_Central.
DR   GO; GO:0035999; P:tetrahydrofolate interconversion; IEA:UniProtKB-UniPathway.
DR   GO; GO:0046653; P:tetrahydrofolate metabolic process; IBA:GO_Central.
DR   CDD; cd00378; SHMT; 1.
DR   Gene3D; 3.40.640.10; -; 1.
DR   Gene3D; 3.90.1150.10; -; 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; PTHR11680; 1.
DR   Pfam; PF00464; SHMT; 1.
DR   PIRSF; PIRSF000412; SHMT; 1.
DR   SUPFAM; SSF53383; SSF53383; 1.
DR   PROSITE; PS00096; SHMT; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Cytoplasm; One-carbon metabolism;
KW   Pyridoxal phosphate; Reference proteome; Transferase.
FT   CHAIN           1..419
FT                   /note="Serine hydroxymethyltransferase"
FT                   /id="PRO_0000113569"
FT   BINDING         121
FT                   /ligand="(6S)-5,6,7,8-tetrahydrofolate"
FT                   /ligand_id="ChEBI:CHEBI:57453"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00051"
FT   BINDING         125..127
FT                   /ligand="(6S)-5,6,7,8-tetrahydrofolate"
FT                   /ligand_id="ChEBI:CHEBI:57453"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00051"
FT   BINDING         354..356
FT                   /ligand="(6S)-5,6,7,8-tetrahydrofolate"
FT                   /ligand_id="ChEBI:CHEBI:57453"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00051"
FT   SITE            228
FT                   /note="Plays an important role in substrate specificity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00051"
FT   MOD_RES         229
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00051"
SQ   SEQUENCE   419 AA;  45801 MW;  7FC39772026401DA CRC64;
     MYEPTLTVES FDSELAGAIR DERRRQEHHV ELIASENYVS PRVLELQGSV LTNKYAEGYP
     GRRYYGGCEF VDIAEQLAID RAKELFGADY ANVQPHSGSQ ANAEAYMALM NPGDTLLAMD
     LSHGGHLTHG SPVSFSGKFY KAVHYGLNAH GDIDYEQAAQ LAQEHKPKVI LAGFSAFSGI
     VDWQRFREIA DSVNAYFMTD IAHVAGLVAA GVYPSPVQIA DVTTTTTHKT LRGPRAGLIL
     AKANPELEKR LNSAVFPGSQ GGPLMHIIAA KAVAFKEAMQ PEFKTYAQQI LKNAKAMAEV
     MKERGYTIVS GGTQNHLFLV SLLDKNISGK EAEAALGRAN ITVNKNTVPG ETRSPFVTSG
     LRIGTPAITT RGFKEKEASQ LAHWVCDILD DIHNEKVIAD VKQKAHELCG KFPVYQELD
 
 
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