3BZD

Manipulating the coupled folding and binding process drives affinity maturation in a protein-protein complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	T cell receptor beta chain 8.2	polymer	109	11766.0	1		Mus musculus
2	B	Enterotoxin type C-3	polymer	237	27690.0	1	UniProt (P0A0L5) Pfam (PF01123) Pfam (PF02876) In PDB	Staphylococcus aureus	SEC3
3	B	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4		water	water		18.0	85	Chemie (HOH)

Sequence modifications

B: 1 - 237 (UniProt: P0A0L5)

PDB	External Database	Details
-	Gly 129	SEE REMARK 999
-	Lys 130	SEE REMARK 999
Trp 102	Val 131	SEE REMARK 999
Trp 103	Thr 132	SEE REMARK 999
His 104	Gly 133	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	39456.0
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	39648.1

*Water molecules are not included.