2ICS

Crystal structure of an adenine deaminase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Adenine Deaminase	polymer	379	42338.6	1	UniProt (Q837K0) Pfam (PF01979) In PDB	Enterococcus faecalis
2	A	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	A	ADENINE	non-polymer		135.1	1	Chemie (ADE)
4		water	water		18.0	108	Chemie (HOH)

Sequence modifications

A: 4 - 371 (UniProt: Q837K0)

PDB	External Database	Details
Mse 1	-	initiating methionine
Ser 2	-	cloning artifact
Leu 3	-	cloning artifact
Mse 18	Met 16	modified residue
Mse 67	Met 65	modified residue
Mse 157	Met 155	modified residue
Mse 186	Met 184	modified residue
Mse 203	Met 201	modified residue
Mse 264	Met 262	modified residue
Mse 290	Met 288	modified residue
Glu 372	-	cloning artifact
Gly 373	-	cloning artifact
His 374	-	expression tag
His 375	-	expression tag
His 376	-	expression tag
His 377	-	expression tag
His 378	-	expression tag
His 379	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	42338.6
Non-Polymers*	Number of molecules	3
	Total formula weight	265.9
All*	Total formula weight	42604.6

*Water molecules are not included.