4C3G

cryo-EM structure of activated and oligomeric restriction endonuclease SgrAI

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)	SGRAIR RESTRICTION ENZYME	polymer	337	37884.9	2	UniProt (Q9F6L0)	STREPTOMYCES GRISEUS	SGRAI
2	C, E (C, D)	5'-D(*GP*AP*TP*GP*CP*GP*TP*GP*GP*GP*TP*CP*TP*TP *CP*AP*CP*AP)-3'	polymer	18	5547.6	2		STREPTOMYCES GRISEUS
3	D, F (E, F)	5'-D(*CP*CP*GP*GP*TP*GP*TP*GP*AP*AP*GP*AP*CP*CP *CP*AP*CP*GP*CP*AP*TP*CP)-3'	polymer	22	6722.3	2		STREPTOMYCES GRISEUS

Sequence modifications

A, B: 2 - 338 (UniProt: Q9F6L0)

PDB	External Database	Details
Asp 63	Asn 63	conflict

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	100309.6
All*	Total formula weight	100309.6

*Water molecules are not included.