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1RX2

DIHYDROFOLATE REDUCTASE (E.C.1.5.1.3) COMPLEXED WITH WITH FOLATE AND NICOTINAMIDE ADENINE DINUCLEOTIDE PHOSPHATE (OXIDIZED FORM)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
DIHYDROFOLATE REDUCTASEpolymer15918020.31UniProt (P0ABQ4)
Pfam (PF00186)
Escherichia coliDHFR
2B
(A)
MANGANESE (II) IONnon-polymer54.91Chemie (MN)
3C
(A)
FOLIC ACIDnon-polymer441.41Chemie (FOL)
4D
(A)
BETA-MERCAPTOETHANOLnon-polymer78.11Chemie (BME)
5E
(A)
NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATEnon-polymer743.41Chemie (NAP)
6F
(A)
waterwater18.0153Chemie (HOH)
Sequence modifications
A: 1 - 159 (UniProt: P0ABQ4)
PDBExternal DatabaseDetails
Asp 37Asn 37conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight18020.3
Non-Polymers*Number of molecules4
Total formula weight1317.9
All*Total formula weight19338.2
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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