7LFK

MODEL OF MHC CLASS Ib H2-M3 WITH MOUSE ND1 N-TERMINAL HEPTAPEPTIDE, THR MUTANT, REFINED AT 1.60 ANGSTROMS RESOLUTION

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D (A, D)	Histocompatibility 2, M region locus 3	polymer	282	32650.7	2	UniProt (Q31093) Pfam (PF00129) Pfam (PF07654)	Mus musculus (Mouse)	MHC Class Ib Antigen H2-M3, MHC class I antigen H-2M3
2	B, E (B, E)	Beta-2-microglobulin	polymer	99	11704.4	2	UniProt (P01887) Pfam (PF07654)	Mus musculus (Mouse)
3	C, F (C, F)	Heptapeptide from NADH-ubiquinone oxidoreductase chain 1	polymer	7	913.1	2	UniProt (P03888)	Mus musculus	NADH dehydrogenase subunit 1
4	G (A)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	1	Chemie (NAG)
5	H, I, J, K, L... (A, D, E)	SODIUM ION	non-polymer		23.0	6	Chemie (NA)
6	N, O, P, Q, R... (A, B, C, D, E...)	water	water		18.0	461	Chemie (HOH)

Sequence modifications

A, D: 1 - 276 (UniProt: Q31093)

PDB	External Database	Details
-	Gly 299	deletion
His 277	-	expression tag
His 278	-	expression tag
His 279	-	expression tag
His 280	-	expression tag
His 281	-	expression tag
His 282	-	expression tag

B, E: 1 - 99 (UniProt: P01887)

PDB	External Database	Details
Asp 85	Ala 105	variant

C, F: 1 - 7 (UniProt: P03888)

PDB	External Database	Details
Thr 6	Ile 6	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	90536.2
Non-Polymers*	Number of molecules	7
	Total formula weight	359.1
All*	Total formula weight	90895.3

*Water molecules are not included.