6IFR

Type III-A Csm complex, Cryo-EM structure of Csm-NTR, ATP bound

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Type III-A CRISPR-associated protein Csm1	polymer	758	86976.7	1	UniProt (A0A2U2M0F3)	Streptococcus thermophilus ND03
2	B, C (D, C)	Type III-A CRISPR-associated protein Csm2	polymer	126	14848.1	2	UniProt (A0A2U2M049)	Streptococcus thermophilus ND03
3	D, E, F (G, F, E)	Type III-A CRISPR-associated RAMP protein Csm3	polymer	220	24584.9	3	UniProt (A0A2U2M035)	Streptococcus thermophilus ND03
4	G (B)	Type III-A CRISPR-associated RAMP protein Csm4	polymer	299	33829.0	1	UniProt (A0A2U2M037)	Streptococcus thermophilus ND03
5	H (H)	Type III-A CRISPR-associated RAMP protein Csm5	polymer	357	41102.1	1	UniProt (A0A2U2M038)	Streptococcus thermophilus ND03
6	I (N)	type III-A CRISPR-Cas interference complex, crRNA	polymer	36	11392.8	1		Streptococcus thermophilus ND03
7	J (J)	type III-A CRISPR-Cas interference complex, NTR	polymer	43	13937.3	1		Streptococcus thermophilus ND03
8	K, L (A)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
9	M, N (A)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)

Sequence modifications

A: 1 - 758 (UniProt: A0A2U2M0F3)

PDB	External Database	Details
Asn 16	Asp 16	engineered mutation

G, F, E: 1 - 220 (UniProt: A0A2U2M035)

PDB	External Database	Details
Asn 33	Asp 33	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	10
	Total formula weight	290688.8
Non-Polymers*	Number of molecules	4
	Total formula weight	1063.0
All*	Total formula weight	291751.7

*Water molecules are not included.