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1B0A

5,10, METHYLENE-TETRAHYDROPHOLATE DEHYDROGENASE/CYCLOHYDROLASE FROM E COLI.

Functional Information from GO Data
ChainGOidnamespacecontents
A0000105biological_processL-histidine biosynthetic process
A0003824molecular_functioncatalytic activity
A0004477molecular_functionmethenyltetrahydrofolate cyclohydrolase activity
A0004488molecular_functionmethylenetetrahydrofolate dehydrogenase (NADP+) activity
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006164biological_processpurine nucleotide biosynthetic process
A0006730biological_processone-carbon metabolic process
A0008652biological_processamino acid biosynthetic process
A0009086biological_processmethionine biosynthetic process
A0016491molecular_functionoxidoreductase activity
A0016787molecular_functionhydrolase activity
A0035999biological_processtetrahydrofolate interconversion
A0042803molecular_functionprotein homodimerization activity
Functional Information from PROSITE/UniProt
site_idPS00766
Number of Residues26
DetailsTHF_DHG_CYH_1 Tetrahydrofolate dehydrogenase/cyclohydrolase signature 1. EaELLelIdtLNaDntidgILVQLPL
ChainResidueDetails
AGLU76-LEU101

site_idPS00767
Number of Residues9
DetailsTHF_DHG_CYH_2 Tetrahydrofolate dehydrogenase/cyclohydrolase signature 2. PGGVGPMTV
ChainResidueDetails
APRO260-VAL268

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01576","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1a4i
ChainResidueDetails
ALYS54

239803

PDB entries from 2025-08-06

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