1IAE

CRYSTAL STRUCTURES, SPECTROSCOPIC FEATURES, AND CATALYTIC PROPERTIES OF COBALT(II), COPPER(II), NICKEL(II), AND MERCURY(II) DERIVATIVES OF THE ZINC ENDOPEPTIDASE ASTACIN. A CORRELATION OF STRUCTURE AND PROTEOLYTIC ACTIVITY

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	ASTACIN	polymer	200	22618.0	1	UniProt (P07584) Pfam (PF01400) In PDB	Astacus astacus (broad-fingered crayfish)
2	A	NICKEL (II) ION	non-polymer		58.7	1	Chemie (NI)
3		water	water		18.0	184	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	22618.0
Non-Polymers*	Number of molecules	1
	Total formula weight	58.7
All*	Total formula weight	22676.7

*Water molecules are not included.