6YAR

Crystal structure of a Selenium-derivatized complex of the bacterial cellulose secretion regulators BcsR and BcsQ, crystallized in the presence of AppCp

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Bacterial cellulose secretion regulator BcsQ	polymer	261	29479.7	2	UniProt (A0A0B1KWQ0) Pfam (PF06564) UniProt (by SIFTS) (P0DP92) In PDB	Escherichia coli	Cellulose biosynthesis protein BcsQ,Cellulose synthase operon protein YhjQ,Cellulose synthase,putative
2	C, D	Bacterial cellulose secretion regulator BcsR	polymer	62	7069.8	2	UniProt (J7QAC9) Pfam (PF10945) UniProt (by SIFTS) (P0ADJ3) In PDB	Escherichia coli	FIG004405: Putative cytoplasmic protein,Protein YhjR,Protein of uncharacterized function (DUF2629)
3	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	A, B	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
5		water	water		18.0	107	Chemie (HOH)

Sequence modifications

A, B: 1 - 250 (UniProt: A0A0B1KWQ0)

PDB	External Database	Details
Ala 251	-	expression tag
Ala 252	-	expression tag
Ala 253	-	expression tag
Leu 254	-	expression tag
Glu 255	-	expression tag
His 256	-	expression tag
His 257	-	expression tag
His 258	-	expression tag
His 259	-	expression tag
His 260	-	expression tag
His 261	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	73098.9
Non-Polymers*	Number of molecules	4
	Total formula weight	1063.0
All*	Total formula weight	74161.9

*Water molecules are not included.