2PTT

Structure of NK cell receptor 2B4 (CD244) bound to its ligand CD48

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	CD48 antigen	polymer	110	12940.7	1	UniProt (P18181) Pfam (PF07686) In PDB	Mus musculus (house mouse)	MRC OX-45 surface antigen, BCM1 surface antigen, BLAST-1, HM48-1, sgp-60
2	B	Natural killer cell receptor 2B4	polymer	112	12526.9	1	UniProt (Q07763) Pfam (PF11465) In PDB	Mus musculus (house mouse)	NKR2B4, NK cell type I receptor protein 2B4, CD244 antigen, Non MHC restricted killing associated
3	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4		water	water		18.0	213	Chemie (HOH)

Sequence modifications

A: 5 - 106 (UniProt: P18181)

PDB	External Database	Details
Met -3	-	expression tag
Ala -2	-	expression tag
Arg -1	-	expression tag
Ile 0	-	expression tag
Arg 1	-	expression tag
Ala 2	-	expression tag
Arg 3	-	expression tag
Gly 4	-	expression tag
Tyr 12	Thr 34	engineered mutation
Arg 30	Lys 52	engineered mutation

B: 0 - 110 (UniProt: Q07763)

PDB	External Database	Details
Met -1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	25467.7
Non-Polymers*	Number of molecules	1
	Total formula weight	96.1
All*	Total formula weight	25563.7

*Water molecules are not included.