2GW4

Crystal structure of stony coral fluorescent protein Kaede, red form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, C)	Kaede	polymer	63	6894.1	2	GenBank (23503508) UniProt (by SIFTS) (Q8I6J8)	Trachyphyllia geoffroyi
2	B, D (B, D)	Kaede	polymer	162	18963.6	2	GenBank (23503508) Pfam (PF01353) UniProt (by SIFTS) (Q8I6J8)	Trachyphyllia geoffroyi
3	E, F, G, H (A, B, C, D)	NICKEL (II) ION	non-polymer		58.7	4	Chemie (NI)
4	I, J, K, L (A, B, C, D)	water	water		18.0	437	Chemie (HOH)

Sequence modifications

A, C: 1 - 61 (GenBank: 23503508)

PDB	External Database	Details
Ala -1	-	expression tag
Pro 0	-	expression tag
Nfa 61	Phe 61	modified residue

B, D: 63 - 224 (GenBank: 23503508)

PDB	External Database	Details
Rc7 63	His 62	chromophore
Rc7 63	Tyr 63	chromophore
Rc7 63	Gly 64	chromophore

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	51715.3
Non-Polymers*	Number of molecules	4
	Total formula weight	234.8
All*	Total formula weight	51950.0

*Water molecules are not included.