6J9N

NmeHNH+AcrIIC3

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	CRISPR-associated endonuclease Cas9	polymer	161	19388.4	1	UniProt (X5EPV9) Pfam (PF13395)	Neisseria meningitidis
2	B (B)	AcrIIC3	polymer	118	13622.2	1	UniProt (A0A3E2QDI5) UniProt (by SIFTS) (A0A425B395)	Neisseria meningitidis
3	C, D (A, B)	water	water		18.0	4	Chemie (HOH)

Sequence modifications

A: 508 - 667 (UniProt: X5EPV9)

PDB	External Database	Details
Ser 507	-	expression tag
Mse 518	Glu 518	engineered mutation
Mse 522	Arg 522	engineered mutation
Mse 561	Gln 561	engineered mutation

B: 3 - 117 (UniProt: A0A3E2QDI5)

PDB	External Database	Details
Ser 0	-	expression tag
Mse 1	-	see sequence details
Ala 2	-	see sequence details

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	33010.7
All*	Total formula weight	33010.7

*Water molecules are not included.