1L0Y

T cell receptor beta chain complexed with superantigen SpeA soaked with zinc

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, C)	14.3.d T cell receptor beta chain	polymer	236	26382.3	2	UniProt (P01851) Pfam (PF07654)	Mus musculus (house mouse)
2	B, D (B, D)	Exotoxin type A	polymer	221	25803.9	2	UniProt (P08095) UniProt (by SIFTS) (P0DJY7)	Streptococcus pyogenes	Scarlet fever toxin, Erythrogenic toxin, SPE A
3	E, G, H, I, J... (A, B, C, D)	ZINC ION	non-polymer		65.4	6	Chemie (ZN)
4	F (A)	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
5	L, M, N, O (A, B, C, D)	water	water		18.0	316	Chemie (HOH)

Sequence modifications

A, C: 3 - 244 (UniProt: P01851)

PDB	External Database	Details
Gln 24	Asn 53	engineered mutation
Gln 74	Asn 102	engineered mutation
-	Gln 125	SEE REMARK 999
Gly 99	-	SEE REMARK 999
Ser 100	-	SEE REMARK 999
Tyr 101	-	SEE REMARK 999
Gln 121	Asn 146	engineered mutation

B, D: 1 - 221 (UniProt: P08095)

PDB	External Database	Details
Ser 90	Cys 120	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	104372.5
Non-Polymers*	Number of molecules	7
	Total formula weight	484.5
All*	Total formula weight	104857.1

*Water molecules are not included.