3OWE

Crystal Structure of Staphylococcal Enterotoxin G (SEG) in Complex with a High Affinity Mutant Mouse T-cell Receptor Chain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G, I...	Beta-chain	polymer	112	12100.3	8	UniProt (A2NTY6) Pfam (PF07686) In PDB	Mus musculus (mouse)
2	B, D, F, H, J...	Enterotoxin SEG	polymer	234	27088.7	8	UniProt (D0EMB6) Pfam (PF01123) Pfam (PF02876) UniProt (by SIFTS) (Q9ZNF2) In PDB	Staphylococcus aureus
3		water	water		18.0	181	Chemie (HOH)

Sequence modifications

A, C, E, G, I, K, M, O: 0 - 110 (UniProt: A2NTY6)

PDB	External Database	Details
Ala -1	-	expression tag
Ala 0	Met 29	engineered mutation
Glu 17	Gly 46	engineered mutation
Gln 24	Asn 53	engineered mutation
Val 52	Ala 81	engineered mutation
Asn 54	Ser 83	engineered mutation
Glu 65	Lys 94	engineered mutation
His 71	Gln 100	engineered mutation
Gln 73	Asn 102	engineered mutation
Val 79	Glu 108	engineered mutation
Ser 80	Leu 109	engineered mutation
Ser 86	Thr 115	engineered mutation
-	Glu 124	deletion
Val 95	Leu 125	engineered mutation
-	Phe 128	deletion
-	Asn 129	deletion
-	Gln 130	deletion
-	Asp 131	deletion
Leu 99	Gln 133	engineered mutation
Ala 103	Pro 137	engineered mutation
Ser 108	Leu 142	engineered mutation

B, D, F, H, J, L, N, P: 2 - 233 (UniProt: D0EMB6)

PDB	External Database	Details
Ala 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	16
	Total formula weight	313512.4
All*	Total formula weight	313512.4

*Water molecules are not included.