2ERH

Crystal Structure of the E7_G/Im7_G complex; a designed interface between the colicin E7 DNAse and the Im7 immunity protein

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Colicin E7 immunity protein	polymer	87	9982.1	1	UniProt (Q03708) Pfam (PF01320)	Escherichia coli	ImmE7, Microcin E7 immunity protein
2	B (B)	Colicin E7	polymer	127	14644.5	1	UniProt (Q47112) Pfam (PF21431)	Escherichia coli
3	C, D (A, B)	water	water		18.0	149	Chemie (HOH)

Sequence modifications

A: 1 - 87 (UniProt: Q03708)

PDB	External Database	Details
Tyr 35	Asp 35	engineered mutation
Gln 51	Thr 51	engineered mutation

B: 447 - 573 (UniProt: Q47112)

PDB	External Database	Details
Thr 516	Asn 516	engineered mutation
Gln 517	Asn 517	engineered mutation
Arg 525	Lys 525	engineered mutation
Gln 528	Lys 528	engineered mutation
Gln 539	Thr 539	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	24626.6
All*	Total formula weight	24626.6

*Water molecules are not included.