ID E4RN61_HALHG Unreviewed; 410 AA.
AC E4RN61;
DT 08-FEB-2011, integrated into UniProtKB/TrEMBL.
DT 08-FEB-2011, sequence version 1.
DT 27-MAR-2024, entry version 72.
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=Halsa_0831 {ECO:0000313|EMBL:ADQ14278.1};
OS Halanaerobium hydrogeniformans (Halanaerobium sp. (strain sapolanicus)).
OC Bacteria; Bacillota; Clostridia; Halanaerobiales; Halanaerobiaceae;
OC Halanaerobium.
OX NCBI_TaxID=656519 {ECO:0000313|EMBL:ADQ14278.1, ECO:0000313|Proteomes:UP000007434};
RN [1] {ECO:0000313|EMBL:ADQ14278.1, ECO:0000313|Proteomes:UP000007434}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=sapolanicus {ECO:0000313|Proteomes:UP000007434};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Cheng J.-F., Bruce D., Goodwin L.,
RA Pitluck S., Davenport K., Detter J.C., Han C., Tapia R., Land M.,
RA Hauser L., Jeffries C., Kyrpides N., Ivanova N., Mikhailova N.,
RA Begemann M.B., Mormile M.R., Wall J.D., Elias D.A., Woyke T.;
RT "Complete sequence of Halanaerobium sp. sapolanicus.";
RL Submitted (NOV-2010) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ADQ14278.1, ECO:0000313|Proteomes:UP000007434}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=sapolanicus {ECO:0000313|Proteomes:UP000007434};
RX PubMed=21602336; DOI=10.1128/JB.05209-11;
RA Brown S.D., Begemann M.B., Mormile M.R., Wall J.D., Han C.S., Goodwin L.A.,
RA Pitluck S., Land M.L., Hauser L.J., Elias D.A.;
RT "Complete Genome Sequence of the Haloalkaliphilic, Hydrogen Producing
RT Halanaerobium hydrogenoformans.";
RL J. Bacteriol. 193:3682-3683(2011).
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: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|HAMAP-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; CP002304; ADQ14278.1; -; Genomic_DNA.
DR RefSeq; WP_013405369.1; NC_014654.1.
DR AlphaFoldDB; E4RN61; -.
DR STRING; 656519.Halsa_0831; -.
DR KEGG; has:Halsa_0831; -.
DR eggNOG; COG0112; Bacteria.
DR HOGENOM; CLU_022477_2_1_9; -.
DR OrthoDB; 9803846at2; -.
DR UniPathway; UPA00193; -.
DR UniPathway; UPA00288; UER01023.
DR Proteomes; UP000007434; 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: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; 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.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_00051};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00051};
KW One-carbon metabolism {ECO:0000256|HAMAP-Rule:MF_00051};
KW Pyridoxal phosphate {ECO:0000256|HAMAP-Rule:MF_00051,
KW ECO:0000256|PIRSR:PIRSR000412-50};
KW Reference proteome {ECO:0000313|Proteomes:UP000007434};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00051}.
FT DOMAIN 4..380
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 349..351
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 410 AA; 45133 MW; A503438FC268FA21 CRC64;
MQELKKVDPE IAAIISEEDK RQVQNIELIA SENFVSSAVM EAAGSVLTNK YAEGYPGKRY
YGGCEVIDKA EELAIERAKE LFNAEHANVQ PHSGSQANQA VYFAHVPLGG TILAMDLTHG
GHLTHGSPVN MSGEYYNFVH YGVTKDKEII DYEQVRTLAK EHKPDMIVAG ASAYSKVINF
NAFREIADEV GALFTVDMAH IAGLVAADLH PNPVPVADFV TTTTHKTLRG TRGGMILCKK
EYAKSIDKAI FPGLQGGPLM HIIAAKAVSF KEALTDDFIK YQQQIINNAR VLAEEISSYG
MRIVSGGTEN HMMLVDLTNM EITGKEAEEA LDKVGITVNK NTIPFETRSP FVTSGIRIGT
PAVTSQGMKE KDMKKVAEYI FEALKNIKDE EKLKEMKKEV HAFSAQFKMN
//