4O0P

Crystal Structure of D. radiodurans Bacteriophytochrome Photosensory Core Module in its Dark Form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Bacteriophytochrome	polymer	523	56581.0	2	UniProt (Q9RZA4) Pfam (PF08446) Pfam (PF01590) Pfam (PF00360)	Deinococcus radiodurans	Phytochrome-like protein
2	C, D (A, B)	3-[2-[(Z)-[3-(2-carboxyethyl)-5-[(Z)-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-pyrrol-1-ium -2-ylidene]methyl]-5-[(Z)-[(3E)-3-ethylidene-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-4-methyl-1H-pyrrol-3- yl]propanoic acid	non-polymer		585.7	2	Chemie (LBV)

Sequence modifications

A, B: 1 - 502 (UniProt: Q9RZA4)

PDB	External Database	Details
Met -13	-	expression tag
Ala -12	-	expression tag
Ser -11	-	expression tag
Met -10	-	expression tag
Thr -9	-	expression tag
Gly -8	-	expression tag
Gly -7	-	expression tag
Gln -6	-	expression tag
Gln -5	-	expression tag
Met -4	-	expression tag
Gly -3	-	expression tag
Arg -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag
Glu 503	-	expression tag
His 504	-	expression tag
His 505	-	expression tag
His 506	-	expression tag
His 507	-	expression tag
His 508	-	expression tag
His 509	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	113162.1
Non-Polymers*	Number of molecules	2
	Total formula weight	1171.3
All*	Total formula weight	114333.4

*Water molecules are not included.