7QFQ

Cryo-EM structure of Botulinum neurotoxin serotype B

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Botulinum neurotoxin type B	polymer	1307	153021.9	1	UniProt (P10844) Pfam (PF01742) Pfam (PF07952) Pfam (PF07953) Pfam (PF07951) In PDB	Clostridium botulinum	BoNT/B,Bontoxilysin-B

Sequence modifications

A: 1 - 1291 (UniProt: P10844)

PDB	External Database	Details
Gln 231	Glu 231	engineered mutation
Tyr 234	His 234	engineered mutation
Met 1191	Glu 1191	conflict
Tyr 1199	Ser 1199	conflict
Leu 1292	-	expression tag
Glu 1293	-	expression tag
Val 1294	-	expression tag
Leu 1295	-	expression tag
Phe 1296	-	expression tag
Gln 1297	-	expression tag
Gly 1298	-	expression tag
Pro 1299	-	expression tag
Leu 1300	-	expression tag
Glu 1301	-	expression tag
His 1302	-	expression tag
His 1303	-	expression tag
His 1304	-	expression tag
His 1305	-	expression tag
His 1306	-	expression tag
His 1307	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	153021.9
All*	Total formula weight	153021.9

*Water molecules are not included.