4KYP

Beta-Scorpion Toxin folded in the periplasm of E.coli

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	Beta-insect excitatory toxin Bj-xtrIT	polymer	84	9439.6	4	UniProt (P56637) Pfam (PF00537)	Hottentotta judaicus (Scorpion)	Bjxtr-IT, BjxtrIT
2	E, F (A, C)	TRIETHYLENE GLYCOL	non-polymer		150.2	2	Chemie (PGE)
3	G (D)	TETRAETHYLENE GLYCOL	non-polymer		194.2	1	Chemie (PG4)
4	H, I, J, K (A, B, C, D)	water	water		18.0	339	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 76 (UniProt: P56637)

PDB	External Database	Details
Gly 77	-	expression tag
Ser 78	-	expression tag
His 79	-	expression tag
His 80	-	expression tag
His 81	-	expression tag
His 82	-	expression tag
His 83	-	expression tag
His 84	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	37758.6
Non-Polymers*	Number of molecules	3
	Total formula weight	494.6
All*	Total formula weight	38253.2

*Water molecules are not included.