8TG1

Caldicellulosiruptor saccharolyticus periplasmic urea-binding protein

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Extracellular ligand-binding receptor	polymer	393	43741.4	2	UniProt (A4XMB7) Pfam (PF13433) In PDB	Caldicellulosiruptor saccharolyticus
2	A, B	UREA	non-polymer		60.1	2	Chemie (URE)
3	A	BROMIDE ION	non-polymer		79.9	1	Chemie (BR)
4		water	water		18.0	1012	Chemie (HOH)

Sequence modifications

A, B: 3 - 385 (UniProt: A4XMB7)

PDB	External Database	Details
Met 2	-	initiating methionine
Ala 90	Cys 120	conflict
Gly 386	-	expression tag
Gly 387	-	expression tag
Ser 388	-	expression tag
His 389	-	expression tag
His 390	-	expression tag
His 391	-	expression tag
His 392	-	expression tag
His 393	-	expression tag
His 394	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	87482.7
Non-Polymers*	Number of molecules	3
	Total formula weight	200.0
All*	Total formula weight	87682.7

*Water molecules are not included.