4NYY

Structure of Vibrio cholerae chitin de-N-acetylase in complex with acetate ion (ACT) in P 2 21 21

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)	Deacetylase DA1	polymer	419	46923.9	4	UniProt (M7M1G8)	Vibrio cholerae
2	E, J, O, S (A, B, C, D)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	F, K, P, T (A, B, C, D)	SODIUM ION	non-polymer		23.0	4	Chemie (NA)
4	G, L, Q, U (A, B, C, D)	ACETATE ION	non-polymer		59.0	4	Chemie (ACT)
5	H, I, M, N, R (A, B, C)	1,2-ETHANEDIOL	non-polymer		62.1	5	Chemie (EDO)
6	V, W, X, Y (A, B, C, D)	water	water		18.0	530	Chemie (HOH)

Sequence modifications

A, B, C, D: 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	4
	Total formula weight	187695.7
Non-Polymers*	Number of molecules	17
	Total formula weight	900.1
All*	Total formula weight	188595.8

*Water molecules are not included.