6P1I

Structure of HIV-1 Reverse Transcriptase (RT) in complex with dsDNA and dCTP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Reverse transcriptase/ribonuclease H	polymer	560	64521.9	1	UniProt (P04585) Pfam (PF00078) Pfam (PF06817) Pfam (PF06815) Pfam (PF00075) In PDB	Human immunodeficiency virus type 1 group M subtype B (isolate HXB2) (HIV-1)
2	B	p51 RT	polymer	452	52748.4	1	UniProt (P04585) Pfam (PF00078) Pfam (PF06817) Pfam (PF06815) In PDB	Human immunodeficiency virus type 1 group M subtype B (isolate HXB2) (HIV-1)
3	P	DNA Primer 20-mer	polymer	21	6460.2	1		synthetic construct
4	T	DNA template 27-mer	polymer	27	8408.4	1		synthetic construct
5	A, T	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
6	A	2'-DEOXYCYTIDINE-5'-TRIPHOSPHATE	non-polymer		467.2	1	Chemie (DCP)
7	A	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
8		water	water		18.0	16	Chemie (HOH)

Sequence modifications

A: 1 - 560 (UniProt: P04585)

PDB	External Database	Details
Cys 258	Gln 845	engineered mutation
Ser 280	Cys 867	engineered mutation

B: 1 - 440 (UniProt: P04585)

PDB	External Database	Details
Met -11	-	expression tag
Gly -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
Ser -1	-	expression tag
Ser 0	-	expression tag
Ser 280	Cys 867	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	132139.0
Non-Polymers*	Number of molecules	5
	Total formula weight	707.9
All*	Total formula weight	132846.8

*Water molecules are not included.