6G1Y

Crystal structure of the photosensory core module (PCM) of a bathy phytochrome from Agrobacterium fabrum in the Pfr state.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Bacteriophytochrome protein	polymer	507	56490.2	1	UniProt (A9CI81) Pfam (PF08446) Pfam (PF01590) Pfam (PF00360)	Agrobacterium fabrum (strain C58 / ATCC 33970) (Agrobacterium tumefaciens (strain C58))
2	B (B)	Bacteriophytochrome protein	polymer	507	56503.2	1	UniProt (A9CI81) Pfam (PF08446) Pfam (PF01590) Pfam (PF00360)	Agrobacterium fabrum (strain C58 / ATCC 33970) (Agrobacterium tumefaciens (strain C58))
3	C, D (A, B)	3-[(2Z)-2-({3-(2-carboxyethyl)-5-[(E)-(4-ethenyl-3-methyl-5-oxo-1,5-dihydro-2H-pyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-2-yl}methylidene)-5-{(Z)-[(3E,4S)-3-ethylidene-4-methyl-5-oxopyrrolidin-2-ylidene]methyl}-4-methyl-2H-pyrrol-3-yl]propanoic acid	non-polymer		584.7	2	Chemie (EL5)
4	E, F (A, B)	water	water		18.0	202	Chemie (HOH)

Sequence modifications

A: 1 - 501 (UniProt: A9CI81)

PDB	External Database	Details
His 502	-	expression tag
His 503	-	expression tag
His 504	-	expression tag
His 505	-	expression tag
His 506	-	expression tag
His 507	-	expression tag

B: 1 - 501 (UniProt: A9CI81)

PDB	External Database	Details
His 502	-	expression tag
His 503	-	expression tag
His 504	-	expression tag
His 505	-	expression tag
His 506	-	expression tag
His 507	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	112993.4
Non-Polymers*	Number of molecules	2
	Total formula weight	1169.3
All*	Total formula weight	114162.7

*Water molecules are not included.