2Y8U

A. nidulans chitin deacetylase

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)	CHITIN DEACETYLASE	polymer	230	25610.7	2	UniProt (Q5AQQ0) Pfam (PF01522)	Emericella nidulans (strain FGSC A4 / ATCC 38163 / CBS 112.46 / NRRL 194 / M139) (Aspergillus nidulans)
2	C, I (A, B)	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
3	D, J (A, B)	COBALT (II) ION	non-polymer		58.9	2	Chemie (CO)
4	E, F, H (A)	SODIUM ION	non-polymer		23.0	3	Chemie (NA)
5	G, K (A, B)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
6	L, M (A, B)	water	water		18.0	118	Chemie (HOH)

Sequence modifications

A, B: 19 - 237 (UniProt: Q5AQQ0)

PDB	External Database	Details
Met 8	-	expression tag
Ala 9	-	expression tag
His 10	-	expression tag
His 11	-	expression tag
His 12	-	expression tag
His 13	-	expression tag
His 14	-	expression tag
His 15	-	expression tag
His 16	-	expression tag
Arg 17	-	expression tag
Ser 18	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	51221.5
Non-Polymers*	Number of molecules	9
	Total formula weight	447.7
All*	Total formula weight	51669.2

*Water molecules are not included.