1W16

rat synaptotagmin 4 C2B domain in the absence of calcium

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	SYNAPTOTAGMIN IV	polymer	153	16620.1	1	UniProt (P50232) Pfam (PF00168) In PDB	RATTUS NORVEGICUS (RAT)
2	A	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
3	A	CHLORIDE ION	non-polymer		35.5	7	Chemie (CL)
4		water	water		18.0	53	Chemie (HOH)

Sequence modifications

A: 273 - 287 (PDB: 1W16)
A: 288 - 425 (UniProt: P50232)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	16620.1
Non-Polymers*	Number of molecules	9
	Total formula weight	294.2
All*	Total formula weight	16914.3

*Water molecules are not included.