3MRG

Crystal Structure of MHC class I HLA-A2 molecule complexed with HCV NS3-1073-1081 nonapeptide

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	HLA class I histocompatibility antigen, A-2 alpha chain	polymer	293	34008.7	1	UniProt (P01892) Pfam (PF00129) Pfam (PF07654) UniProt (by SIFTS) (P04439)	Homo sapiens (human)	MHC class I antigen A*2
2	B (B)	Beta-2-microglobulin	polymer	100	11879.4	1	UniProt (P61769) Pfam (PF07654)	Homo sapiens (human)	Beta-2-microglobulin form pI 5.3
3	C (P)	9-meric peptide from Serine protease/NTPase/helicase NS3	polymer	9	994.2	1	UniProt (Q03463)	Hepatitis C virus genotype 1b (isolate HC-J1)
4	D (A)	CITRIC ACID	non-polymer		192.1	1	Chemie (CIT)
5	E, F, G (A, B, P)	water	water		18.0	562	Chemie (HOH)

Sequence modifications

A: 1 - 276 (UniProt: P01892)

PDB	External Database	Details
Val 245	Ala 269	engineered mutation
Gly 277	-	expression tag
Ser 278	-	expression tag
Leu 279	-	expression tag
His 280	-	expression tag
His 281	-	expression tag
Ile 282	-	expression tag
Leu 283	-	expression tag
Asp 284	-	expression tag
Ala 285	-	expression tag
Gln 286	-	expression tag
Lys 287	-	expression tag
Met 288	-	expression tag
Val 289	-	expression tag
Trp 290	-	expression tag
Asn 291	-	expression tag
His 292	-	expression tag
Arg 293	-	expression tag

B: 1 - 99 (UniProt: P61769)

PDB	External Database	Details
Met 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	46882.3
Non-Polymers*	Number of molecules	1
	Total formula weight	192.1
All*	Total formula weight	47074.4

*Water molecules are not included.