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3EHI

Crystal Structure of Human Thymidyalte Synthase M190K with Loop 181-197 stabilized in the inactive conformation

Functional Information from GO Data
ChainGOidnamespacecontents
X0000900molecular_functionmRNA regulatory element binding translation repressor activity
X0004799molecular_functionthymidylate synthase activity
X0005542molecular_functionfolic acid binding
X0005634cellular_componentnucleus
X0005737cellular_componentcytoplasm
X0005739cellular_componentmitochondrion
X0005743cellular_componentmitochondrial inner membrane
X0005759cellular_componentmitochondrial matrix
X0005829cellular_componentcytosol
X0006231biological_processdTMP biosynthetic process
X0006235biological_processdTTP biosynthetic process
X0008168molecular_functionmethyltransferase activity
X0009165biological_processnucleotide biosynthetic process
X0016020cellular_componentmembrane
X0016740molecular_functiontransferase activity
X0016741molecular_functiontransferase activity, transferring one-carbon groups
X0017148biological_processnegative regulation of translation
X0032259biological_processmethylation
X0035999biological_processtetrahydrofolate interconversion
X0046653biological_processtetrahydrofolate metabolic process
X0071897biological_processDNA biosynthetic process
X1990825molecular_functionsequence-specific mRNA binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 X 316
ChainResidue
XARG50
XARG78
XARG176
XARG185
XPRO305
XTHR306

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 X 317
ChainResidue
XARG215
XSER216
XHOH348
XARG175
XASN183
XARG185

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO X 318
ChainResidue
XGLN36
XGLN62
XALA63
XHIS250
XLEU252

Functional Information from PROSITE/UniProt
site_idPS00091
Number of Residues29
DetailsTHYMIDYLATE_SYNTHASE Thymidylate synthase active site. RriImcaWNprdlplka.....LpPCHalcQFyV
ChainResidueDetails
XARG175-VAL203

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"UniProtKB","id":"P0A884","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"UniProtKB","id":"P0A884","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P45352","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"UniProtKB","id":"P45352","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P0A884","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues3
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)","evidences":[{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1b02
ChainResidueDetails
XASN226
XSER229
XCYS195

site_idCSA2
Number of Residues6
DetailsAnnotated By Reference To The Literature 1b02
ChainResidueDetails
XASP254
XSER216
XCYS195
XASP218
XGLU87
XHIS256

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PDB entries from 2025-07-16

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