2C0P

Aged form of mouse acetylcholinesterase inhibited by tabun

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	ACETYLCHOLINESTERASE	polymer	548	60234.0	2	UniProt (P21836) Pfam (PF00135) In PDB	MUS MUSCULUS (MOUSE)
2	A, B	ETHYL HYDROGEN PHOSPHONATE	non-polymer		110.0	2	Chemie (ATJ)
3		water	water		18.0	423	Chemie (HOH)

Sequence modifications

A, B: 1 - 543 (UniProt: P21836)
A, B: 544 - 548 (PDB: 2C0P)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	120468.0
Non-Polymers*	Number of molecules	2
	Total formula weight	220.1
All*	Total formula weight	120688.1

*Water molecules are not included.