5C5K

Structure of the Pfr form of a canonical phytochrome

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)	Bacteriophytochrome	polymer	524	56733.2	4	UniProt (Q9RZA4) Pfam (PF08446) Pfam (PF01590) Pfam (PF00360)	Deinococcus radiodurans	Phytochrome-like protein
2	E, H, I, K (A, B, C, D)	BILIVERDINE IX ALPHA	non-polymer		582.6	4	Chemie (BLA)
3	F (A)	1,2-ETHANEDIOL	non-polymer		62.1	1	Chemie (EDO)
4	G (A)	ACETATE ION	non-polymer		59.0	1	Chemie (ACT)
5	J (C)	beta-D-glucopyranose	non-polymer		180.2	1	Chemie (BGC)
6	L, M, N, O (A, B, C, D)	water	water		18.0	18	Chemie (HOH)

Sequence modifications

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

PDB	External Database	Details
Met -14	-	initiating methionine
Ala -13	-	expression tag
Leu -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
Trp 469	Phe 469	engineered mutation
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	4
	Total formula weight	226932.9
Non-Polymers*	Number of molecules	7
	Total formula weight	2631.9
All*	Total formula weight	229564.8

*Water molecules are not included.