5W1I

Crystal structure of LbaCas13a (C2c2) bound to mature crRNA (20-nt spacer)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B, D	mature crRNA	polymer	52	16889.2	2		Lachnospiraceae bacterium
2	A, C	LbaCas13a (C2c2)	polymer	1440	169192.7	2	UniProt (by SIFTS) (A0A2D0TCG9) In PDB	Lachnospiraceae bacterium
3	A, C	IODIDE ION	non-polymer		126.9	16	Chemie (IOD)
4		water	water		18.0	1143	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	372163.8
Non-Polymers*	Number of molecules	16
	Total formula weight	2030.5
All*	Total formula weight	374194.2

*Water molecules are not included.