3ZXS

Cryptochrome B from Rhodobacter sphaeroides

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 (A, B, C)	CRYPTOCHROME B	polymer	522	59828.4	3	UniProt (Q3IXP1) Pfam (PF04244)	RHODOBACTER SPHAEROIDES	RSCRYB
2	D, I, N (A, B, C)	FLAVIN-ADENINE DINUCLEOTIDE	non-polymer		785.5	3	Chemie (FAD)
3	E, J, O (A, B, C)	IRON/SULFUR CLUSTER	non-polymer		351.6	3	Chemie (SF4)
4	F, K, P (A, B, C)	1-deoxy-1-(6,7-dimethyl-2,4-dioxo-3,4-dihydropteridin-8(2H)-yl)-D-ribitol	non-polymer		326.3	3	Chemie (DLZ)
5	G, L, Q (A, B, C)	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)
6	H, M, R (A, B, C)	GADOLINIUM ATOM	non-polymer		157.3	3	Chemie (GD)
7	S, T, U (A, B, C)	water	water		18.0	417	Chemie (HOH)

Sequence modifications

A, B, C: 2 - 508 (UniProt: Q3IXP1)

PDB	External Database	Details
Met -13	-	expression tag
Arg -12	-	expression tag
Gly -11	-	expression tag
Ser -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
Gly -3	-	expression tag
Ile -2	-	expression tag
Arg -1	-	expression tag
Met 0	-	expression tag
Leu 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	179485.1
Non-Polymers*	Number of molecules	15
	Total formula weight	4935.1
All*	Total formula weight	184420.3

*Water molecules are not included.