6C0L

Crystal structure of HIV-1 E138K mutant reverse transcriptase in complex with non-nucleoside inhibitor K-5a2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Reverse transcriptase/ribonuclease H	polymer	557	63989.2	1	UniProt (P03366) Pfam (PF00078) Pfam (PF06817) Pfam (PF06815) Pfam (PF00075)	Human immunodeficiency virus type 1 group M subtype B (isolate BH10)	Pr160Gag-Pol
2	B (B)	Reverse transcriptase p51 subunit	polymer	428	50039.6	1	UniProt (P03366) Pfam (PF00078) Pfam (PF06817) Pfam (PF06815)	Human immunodeficiency virus type 1 group M subtype B (isolate BH10)	Pr160Gag-Pol
3	C (A)	4-[(4-{[4-(4-cyano-2,6-dimethylphenoxy)thieno[3,2-d]pyrimidin-2-yl]amino}piperidin-1-yl)methyl]benzene-1-sulfonamide	non-polymer		548.7	1	Chemie (K5A)
4	D (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
5	E (A)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
6	AA, BA, CA, F, G... (B, A)	SULFATE ION	non-polymer		96.1	8	Chemie (SO4)
7	DA, EA, FA, GA, HA... (B, A)	1,2-ETHANEDIOL	non-polymer		62.1	26	Chemie (EDO)
8	NA, OA (A, B)	water	water		18.0	746	Chemie (HOH)

Sequence modifications

A: 1 - 555 (UniProt: P03366)

PDB	External Database	Details
Met -1	-	initiating methionine
Val 0	-	expression tag
Ala 172	Lys 771	engineered mutation
Ala 173	Lys 772	engineered mutation
Ser 280	Cys 879	engineered mutation

B: 1 - 428 (UniProt: P03366)

PDB	External Database	Details
Lys 138	Glu 737	engineered mutation
Ser 280	Cys 879	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	114028.8
Non-Polymers*	Number of molecules	37
	Total formula weight	2978.2
All*	Total formula weight	117007.0

*Water molecules are not included.