4EN3

Crystal structure of a human Valpha24(-) NKT TCR in complex with CD1d/alpha-galactosylceramide

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (C)	Antigen-presenting glycoprotein CD1d	polymer	284	32366.4	1	UniProt (P15813) Pfam (PF16497) Pfam (PF07654)	Homo sapiens (human)	R3G1
2	B (A)	HUMAN NKT TCR ALPHA CHAIN	polymer	220	24517.0	1	Pfam (PF07686) Pfam (PF09291) UniProt (by SIFTS) (K7N5M3)	Homo sapiens (human)
3	C (B)	HUMAN NKT TCR BETA CHAIN	polymer	259	29319.5	1	Pfam (PF07686) Pfam (PF07654) UniProt (by SIFTS) (K7N5M4)	Homo sapiens (human)	Beta-2-microglobulin form pI 5.3
4	D (D)	Beta-2-microglobulin	polymer	100	11845.3	1	UniProt (P61769) Pfam (PF07654)	Homo sapiens (human)
5	E, F, G, J, L (C, A, B)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	5	Chemie (NAG)
6	H (C)	N-{(1S,2R,3S)-1-[(ALPHA-D-GALACTOPYRANOSYLOXY)METHYL]-2,3-DIHYDROXYHEPTADECYL}HEXACOSANAMIDE	non-polymer		858.3	1	Chemie (AGH)
7	I (A)	alpha-L-fucopyranose	non-polymer		164.2	1	Chemie (FUC)
8	K, M (B)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
9	N, O, P, Q (C, A, B, D)	water	water		18.0	101	Chemie (HOH)

Sequence modifications

C: 3 - 277 (UniProt: P15813)

PDB	External Database	Details
Ala 0	-	expression tag
Asp 1	-	expression tag
Pro 2	-	expression tag
His 278	-	expression tag
His 279	-	expression tag
His 280	-	expression tag
His 281	-	expression tag
His 282	-	expression tag
His 283	-	expression tag

D: 1 - 99 (UniProt: P61769)

PDB	External Database	Details
Pro 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	98048.2
Non-Polymers*	Number of molecules	9
	Total formula weight	2312.7
All*	Total formula weight	100360.9

*Water molecules are not included.