7K7E

Crystal structure of diphtheria toxin from crystals obtained at pH 7.0

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Diphtheria toxin	polymer	538	58744.8	2	UniProt (Q5PY51) Pfam (PF02763) Pfam (PF02764) Pfam (PF01324) UniProt (by SIFTS) (Q6NK15)	Corynebacterium diphtheriae
2	C, D (A, B)	water	water		18.0	201	Chemie (HOH)

Sequence modifications

A, B: 0 - 535 (UniProt: Q5PY51)

PDB	External Database	Details
Glu 51	Lys 52	engineered mutation
Lys 148	Glu 149	engineered mutation
Met 536	-	cloning artifact
Ala 537	-	cloning artifact

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	117489.7
All*	Total formula weight	117489.7

*Water molecules are not included.