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3KFR

HIV Protease (PR) dimer with inhibitor TL-3 bound and fragment 1F1 in the outside/top of flap

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Proteasepolymer9910831.82UniProt (Q903N5)
Pfam (PF00077)
UniProt (by SIFTS) (P12499)
Human immunodeficiency virus 1
2C
(A)
benzyl [(1S,4S,7S,8R,9R,10S,13S,16S)-7,10-dibenzyl-8,9-dihydroxy-1,16-dimethyl-4,13-bis(1-methylethyl)-2,5,12,15,18-pentaoxo-20-phenyl-19-oxa-3,6,11,14,17-pentaazaicos-1-yl]carbamatenon-polymer909.11BIRD (PRD_000434)
Chemie (3TL)
3D, F
(A, B)
BETA-MERCAPTOETHANOLnon-polymer78.12Chemie (BME)
4E
(B)
1H-indole-6-carboxylic acidnon-polymer161.21Chemie (1F1)
5G, H
(A, B)
waterwater18.0169Chemie (HOH)
Sequence modifications
A, B: 1 - 99 (UniProt: Q903N5)
PDBExternal DatabaseDetails
Lys 7Arg 7engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight21663.7
Non-Polymers*Number of molecules4
Total formula weight1226.5
All*Total formula weight22890.2
*Water molecules are not included.

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PDB entries from 2025-12-24

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