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4IFY

HIV-1 reverse transcriptase with bound fragment at the Knuckles site

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
REVERSE TRANSCRIPTASE/RIBONUCLEASE Hpolymer55763989.21UniProt (P03366)
Pfam (PF00078)
Pfam (PF06817)
Pfam (PF06815)
Pfam (PF00075)
Human immunodeficiency virus type 1 (HIV-1)EXORIBONUCLEASE H, P66 RT
2B
(B)
p51 RTpolymer42950096.51UniProt (P03366)
Pfam (PF00078)
Pfam (PF06817)
Pfam (PF06815)
Human immunodeficiency virus type 1 (HIV-1)Gag-Pol polyprotein
3C
(A)
4-{[4-({4-[(E)-2-cyanoethenyl]-2,6-dimethylphenyl}amino)pyrimidin-2-yl]amino}benzonitrilenon-polymer366.41Chemie (T27)
4D
(A)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
5E, F, G, H, I...
(A, B)
DIMETHYL SULFOXIDEnon-polymer78.116Chemie (DMS)
6M
(A)
1-[4-(trifluoromethoxy)phenyl]methanaminenon-polymer191.21Chemie (1FD)
7V, W
(A, B)
waterwater18.0662Chemie (HOH)
Sequence modifications
A: 1 - 555 (UniProt: P03366)
PDBExternal DatabaseDetails
Met -1-expression tag
Val 0-expression tag
Ala 172Lys 771engineered mutation
Ala 173Lys 772engineered mutation
Ser 280Cys 879engineered mutation
B: 1 - 428 (UniProt: P03366)
PDBExternal DatabaseDetails
Gly 0-expression tag
Ser 280Cys 879engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight114085.8
Non-Polymers*Number of molecules19
Total formula weight1832.0
All*Total formula weight115917.8
*Water molecules are not included.

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PDB entries from 2025-06-18

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