2AQO

Crystal structure of E. coli Isoaspartyl Dipeptidase Mutant E77Q

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)	Isoaspartyl dipeptidase	polymer	390	41166.8	2	UniProt (P39377) Pfam (PF01979)	Escherichia coli
2	C, D, E, F (A, B)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	G, H (A, B)	water	water		18.0	422	Chemie (HOH)

Sequence modifications

A, B: 1 - 390 (UniProt: P39377)

PDB	External Database	Details
Gln 77	Glu 77	engineered mutation
Kcx 162	Lys 162	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	82333.5
Non-Polymers*	Number of molecules	4
	Total formula weight	261.6
All*	Total formula weight	82595.2

*Water molecules are not included.