1D02

CRYSTAL STRUCTURE OF MUNI RESTRICTION ENDONUCLEASE IN COMPLEX WITH COGNATE DNA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (C, D)	DNA (5'-D(*GP*CP*CP*AP*AP*TP*TP*GP*GP*C)-3')	polymer	10	3045.0	2
2	C, D (A, B)	TYPE II RESTRICTION ENZYME MUNI	polymer	202	23376.5	2	UniProt (P43642) Pfam (PF11407)	Mycoplasma	ENDONUCLEASE MUNI
3	E, F, G, H (C, D, A, B)	water	water		18.0	646	Chemie (HOH)

Sequence modifications

A, B: 1 - 202 (UniProt: P43642)

PDB	External Database	Details
Ala 83	Asp 83	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	52842.9
All*	Total formula weight	52842.9

*Water molecules are not included.