4QDL

Crystal structure of E.coli Cas1-Cas2 complex

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	CRISPR-associated endonuclease Cas1	polymer	305	33235.4	4	UniProt (Q46896) Pfam (PF01867) In PDB	Escherichia coli
2	E, F	CRISPR-associated endoribonuclease Cas2	polymer	104	11742.5	2	UniProt (P45956) Pfam (PF09707) In PDB	Escherichia coli
3		water	water		18.0	56	Chemie (HOH)

Sequence modifications

E, F: 1 - 94 (UniProt: P45956)

PDB	External Database	Details
Leu 95	-	expression tag
Glu 96	-	expression tag
Ser 97	-	expression tag
Gly 98	-	expression tag
His 99	-	expression tag
His 100	-	expression tag
His 101	-	expression tag
His 102	-	expression tag
His 103	-	expression tag
His 104	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	156426.7
All*	Total formula weight	156426.7

*Water molecules are not included.