4H7A

Crystal structure of CasB from Thermus thermophilus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	CRISPR-associated protein Cse2	polymer	168	19423.1	2	UniProt (Q53VY0) Pfam (PF09485) In PDB	Thermus thermophilus	CRISPR type I-E/ECOLI-associated protein CasB/Cse2
2		water	water		18.0	10	Chemie (HOH)

Sequence modifications

A, B: 1 - 156 (UniProt: Q53VY0)

PDB	External Database	Details
Met -11	-	expression tag
Ser -10	-	expression tag
Arg -9	-	expression tag
Gly -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	38846.2
All*	Total formula weight	38846.2

*Water molecules are not included.