4ZRU

X-ray crystal structure of Lymnaea stagnalis acetylcholine binding protein (Ls-AChBP) in complex with 3-[2-[(2S)-pyrrolidin-2-yl]ethynyl]pyridine (TI-5180)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E...	Acetylcholine-binding protein	polymer	218	24859.5	10	UniProt (P58154) Pfam (PF02931) In PDB	Lymnaea stagnalis (Great pond snail)	AchBP
2	I, A, B, C, D...	PHOSPHATE ION	non-polymer		95.0	10	Chemie (PO4)
3	I, J, A, B, C...	3-[(2S)-pyrrolidin-2-ylethynyl]pyridine	non-polymer		172.2	10	Chemie (TI9)
4		water	water		18.0	1550	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G, H, I, J: 1 - 210 (UniProt: P58154)

PDB	External Database	Details
Asp -7	-	expression tag
Tyr -6	-	expression tag
Lys -5	-	expression tag
Asp -4	-	expression tag
Asp -3	-	expression tag
Asp -2	-	expression tag
Asp -1	-	expression tag
Lys 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	10
	Total formula weight	248595.0
Non-Polymers*	Number of molecules	20
	Total formula weight	2672.0
All*	Total formula weight	251266.9

*Water molecules are not included.