5ZXW

Crystal structure of human carbonic anhydrase II crystallized by ammonium sulfate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Carbonic anhydrase 2	polymer	266	29814.6	1	UniProt (P00918) Pfam (PF00194) In PDB	Homo sapiens (Human)	Carbonate dehydratase II,Carbonic anhydrase C,CAC,Carbonic anhydrase II,CA-II
2	A	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
3	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4		water	water		18.0	333	Chemie (HOH)

Sequence modifications

A: 5 - 260 (UniProt: P00918)

PDB	External Database	Details
Gly -5	-	expression tag
Pro -4	-	expression tag
Gly -3	-	expression tag
Leu -2	-	expression tag
Asn -1	-	expression tag
Ser 0	-	expression tag
Met 1	-	expression tag
Ser 2	-	expression tag
His 3	-	expression tag
His 4	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	29814.6
Non-Polymers*	Number of molecules	2
	Total formula weight	161.5
All*	Total formula weight	29976.1

*Water molecules are not included.