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3R33

Evidence for dynamic motion in proteins as a mechanism for ligand dissociation

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Dihydrofolate reductasepolymer15918020.31UniProt (P0ABQ4)
Pfam (PF00186)
Escherichia coli K-12
2B
(A)
(6S)-6-methyl-5,6,7,8-tetrahydroquinazoline-2,4-diaminenon-polymer178.21Chemie (6ME)
3C
(A)
NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATEnon-polymer745.41Chemie (NDP)
4D, F, G, H, I...
(A)
CALCIUM IONnon-polymer40.117Chemie (CA)
5E, S, T
(A)
CHLORIDE IONnon-polymer35.53Chemie (CL)
6X
(A)
waterwater18.0177Chemie (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 molecules22
Total formula weight1711.3
All*Total formula weight19731.7
*Water molecules are not included.

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PDB entries from 2025-06-18

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