4GCZ

Structure of a blue-light photoreceptor

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Blue-light photoreceptor, Sensor protein fixL	polymer	385	43237.7	2	UniProt (O34627) UniProt (P23222) Pfam (PF13426) Pfam (PF00512) Pfam (PF02518) In PDB	Bacillus subtilis	Photoactive flavo-yellow protein, Phototropin homolog
2	A, B	FLAVIN MONONUCLEOTIDE	non-polymer		456.3	2	Chemie (FMN)
3	A	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	1	Chemie (ADP)
4	A, B	SULFATE ION	non-polymer		96.1	10	Chemie (SO4)
5		water	water		18.0	451	Chemie (HOH)

Sequence modifications

A, B: 1 - 126 (UniProt: O34627)
A, B: 127 - 375 (UniProt: P23222)

PDB	External Database	Details
Leu 376	-	EXPRESSION TAG
Glu 377	-	EXPRESSION TAG
His 378	-	EXPRESSION TAG
His 379	-	EXPRESSION TAG
His 380	-	EXPRESSION TAG
His 381	-	EXPRESSION TAG
His 382	-	EXPRESSION TAG
His 383	-	EXPRESSION TAG
His 384	-	EXPRESSION TAG
His 385	-	EXPRESSION TAG

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	86475.4
Non-Polymers*	Number of molecules	13
	Total formula weight	2300.5
All*	Total formula weight	88775.9

*Water molecules are not included.