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2CIG

Dihydrofolate reductase from Mycobacterium tuberculosis inhibited by the acyclic 4R isomer of INH-NADP a derivative of the prodrug isoniazid.

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
DIHYDROFOLATE REDUCTASEpolymer15917659.01UniProt (P0A546)
Pfam (PF00186)
UniProt (by SIFTS) (P9WNX1)
MYCOBACTERIUM TUBERCULOSIS
2B
(A)
(4R)-ISONICOTINIC-ACETYL-NICOTINAMIDE-ADENINE DINUCLEOTIDEnon-polymer850.51Chemie (1DG)
3C, D, E, F
(A)
GLYCEROLnon-polymer92.14Chemie (GOL)
4G, H
(A)
SULFATE IONnon-polymer96.12Chemie (SO4)
5I
(A)
waterwater18.0137Chemie (HOH)
Sequence modifications
A: 1 - 159 (UniProt: P0A546)
PDBExternal DatabaseDetails
Val 46Thr 46conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight17659.0
Non-Polymers*Number of molecules7
Total formula weight1411.0
All*Total formula weight19070.0
*Water molecules are not included.

247947

PDB entries from 2026-01-21

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