ID   GLYA_PYRCJ              Reviewed;         430 AA.
AC   A3MS37;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-APR-2007, sequence version 1.
DT   03-AUG-2022, entry version 82.
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.- {ECO:0000255|HAMAP-Rule:MF_00051};
GN   Name=glyA {ECO:0000255|HAMAP-Rule:MF_00051}; OrderedLocusNames=Pcal_0014;
OS   Pyrobaculum calidifontis (strain DSM 21063 / JCM 11548 / VA1).
OC   Archaea; Crenarchaeota; Thermoprotei; Thermoproteales; Thermoproteaceae;
OC   Pyrobaculum.
OX   NCBI_TaxID=410359;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 21063 / JCM 11548 / VA1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Cozen A.E.,
RA   Fitz-Gibbon S.T., House C.H., Saltikov C., Lowe T.M., Richardson P.;
RT   "Complete sequence of Pyrobaculum calidifontis JCM 11548.";
RL   Submitted (FEB-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the reversible interconversion of serine and
CC       glycine with a modified folate serving as the one-carbon carrier. Also
CC       exhibits a pteridine-independent aldolase activity toward beta-
CC       hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol
CC       mechanism. {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: 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; CP000561; ABO07454.1; -; Genomic_DNA.
DR   AlphaFoldDB; A3MS37; -.
DR   SMR; A3MS37; -.
DR   STRING; 410359.Pcal_0014; -.
DR   EnsemblBacteria; ABO07454; ABO07454; Pcal_0014.
DR   KEGG; pcl:Pcal_0014; -.
DR   eggNOG; arCOG00070; Archaea.
DR   HOGENOM; CLU_022477_2_1_2; -.
DR   OMA; SHPAGLI; -.
DR   UniPathway; UPA00288; UER01023.
DR   Proteomes; UP000001431; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004372; F:glycine hydroxymethyltransferase activity; IEA:UniProtKB-UniRule.
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:0035999; P:tetrahydrofolate interconversion; IEA:InterPro.
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; Transferase.
FT   CHAIN           1..430
FT                   /note="Serine hydroxymethyltransferase"
FT                   /id="PRO_0000369974"
FT   BINDING         120..122
FT                   /ligand="(6S)-5,6,7,8-tetrahydrofolate"
FT                   /ligand_id="ChEBI:CHEBI:57453"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00051"
FT   SITE            225
FT                   /note="Plays an important role in substrate specificity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00051"
FT   MOD_RES         226
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00051"
SQ   SEQUENCE   430 AA;  47284 MW;  D9ACAF668708DBF3 CRC64;
     MIPREIKEVL DVVLRHNRWR RWETINLIAS ENVMSPLAEI FYINDFGGRY AEGTIGSRYY
     QGTKYVDVVE EALVKEFAEV LGAKFVDVRP ISGTVANLAT YFALVPEGGS VASLPIRCGG
     HISHSNVGGL KALRIKTVEL PWDLENFNVD VDAARKVLED KRPNLVILGG SLYLFPHPIK
     EVAEIAKGIG AYVLHDSAHV LGLIVGGVFP NPLREGADVI TSSTHKTFPG PQGGLIATNL
     GDDANGQIQK AVFPTFTSNY HLHRYVATYI TLVEMKLFGH EYASRVVENA KALAEALAEE
     GVTPVAERLG FTKTHQVAVD VSKYGGGDKV AALLEEANII VNKNALPWDR SVVKPSGIRI
     GVQEMTRFGM GKDEMREIAK FIARVLRGED PASVRRDVVD FRRGFVEVKY GFKASREVIE
     EVFASLNLLA