4NZ4

Structure of Vibrio cholerae chitin de-N-acetylase in complex with 2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE (NDG) and zinc ion

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)	Deacetylase DA1	polymer	419	46923.9	2	UniProt (M7M1G8)	Vibrio cholerae
2	C, H (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	D, I (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4	E, J (A, B)	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
5	F, K (A, B)	2-acetamido-2-deoxy-alpha-D-glucopyranose	non-polymer		221.2	2	Chemie (NDG)
6	G, L, M, N (A, B)	GLYCEROL	non-polymer		92.1	4	Chemie (GOL)
7	O, P (A, B)	water	water		18.0	471	Chemie (HOH)

Sequence modifications

A, B: 27 - 431 (UniProt: M7M1G8)

PDB	External Database	Details
Met 26	-	expression tag
Glu 432	-	expression tag
Leu 433	-	expression tag
Arg 434	-	expression tag
Arg 435	-	expression tag
Gln 436	-	expression tag
Trp 437	-	expression tag
Ser 438	-	expression tag
His 439	-	expression tag
Pro 440	-	expression tag
Gln 441	-	expression tag
Phe 442	-	expression tag
Glu 443	-	expression tag
Lys 444	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	93847.8
Non-Polymers*	Number of molecules	12
	Total formula weight	1139.9
All*	Total formula weight	94987.7

*Water molecules are not included.