5ZAB

Crystal structure of cf3-aequorin

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... (A, B, C, D, E...)	Aequorin-2	polymer	198	22544.1	16	UniProt (P02592) Pfam (PF13202) Pfam (PF13499)	Aequorea victoria (Jellyfish)
2	AA, BA, CA, DA, EA... (K, L, M, N, O...)	(2S)-8-benzyl-2-hydroperoxy-6-(4-hydroxyphenyl)-2-{[4-(trifluoromethyl)phenyl]methyl}imidazo[1,2-a]pyrazin-3(2H)-one	non-polymer		507.5	16	Chemie (9A3)
3	GA, HA, IA, JA, KA... (A, B, C, D, E...)	water	water		18.0	1402	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P: 2 - 189 (UniProt: P02592)

PDB	External Database	Details
Ala -8	-	expression tag
Asn -7	-	expression tag
Ser -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Gly 1	-	linker

Contents of the asymmetric unit

Polymers	Number of chains	16
	Total formula weight	360705.9
Non-Polymers*	Number of molecules	16
	Total formula weight	8119.4
All*	Total formula weight	368825.2

*Water molecules are not included.