2ICR

Red fluorescent protein zRFP574 from Zoanthus sp.

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 (A, B, C, D)	Red fluorescent protein zoanRFP	polymer	239	27294.9	4	UniProt (Q8T4U4) UniProt (by SIFTS) (Q9U6Y5)	Zoanthus sp.
2	E, F, G, H (A, B, C, D)	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
3	I, J, K, L (A, B, C, D)	water	water		18.0	427	Chemie (HOH)

Sequence modifications

A, B, C, D: 4 - 231 (UniProt: Q8T4U4)

PDB	External Database	Details
Met -7	-	expression tag
Arg -6	-	expression tag
Gly -5	-	expression tag
Ser -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
His 1	-	expression tag
His 2	-	expression tag
Gly 3	-	expression tag
Ala 5	Lys 5	engineered mutation
Xyg 66	Asp 66	chromophore
Xyg 66	Tyr 67	chromophore
Xyg 66	Gly 68	chromophore

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	109179.8
Non-Polymers*	Number of molecules	4
	Total formula weight	384.3
All*	Total formula weight	109564.0

*Water molecules are not included.