6NBT

CRISPR Complex Subunit Csm3 from Staphylococcus epidermidis RP62a

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	CRISPR-associated protein	polymer	238	27012.4	2	UniProt (Q5HK91) Pfam (PF03787)	Staphylococcus epidermidis (strain ATCC 35984 / RP62A)
2	C, D, R (A, B)	CALCIUM ION	non-polymer		40.1	3	Chemie (CA)
3	E, F, G, H, I... (A, B)	SAMARIUM (III) ION	non-polymer		150.4	13	Chemie (SM)
4	S, T (A, B)	water	water		18.0	68	Chemie (HOH)

Sequence modifications

A, B: 2 - 214 (UniProt: Q5HK91)

PDB	External Database	Details
Mse -23	-	initiating methionine
His -22	-	expression tag
His -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
Ser -16	-	expression tag
Ser -15	-	expression tag
Gly -14	-	expression tag
Val -13	-	expression tag
Asp -12	-	expression tag
Leu -11	-	expression tag
Gly -10	-	expression tag
Thr -9	-	expression tag
Glu -8	-	expression tag
Asn -7	-	expression tag
Leu -6	-	expression tag
Tyr -5	-	expression tag
Phe -4	-	expression tag
Gln -3	-	expression tag
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag
Mse 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	54024.8
Non-Polymers*	Number of molecules	16
	Total formula weight	2074.9
All*	Total formula weight	56099.7

*Water molecules are not included.