4DXB

2.29A structure of the engineered MBP TEM-1 fusion protein RG13 in complex with zinc, P1 space group

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)	Maltose-binding periplasmic protein, Beta-lactamase TEM chimera	polymer	637	69937.3	2	UniProt (P0AEX9) UniProt (P62593) Pfam (PF01547) Pfam (PF00144) Pfam (PF13354)	Escherichia coli	RG13
2	C, D, E, F (A, B)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	G, H (A, B)	water	water		18.0	490	Chemie (HOH)

Sequence modifications

A, B: 1 - 316 (UniProt: P0AEX9)
A, B: 317 - 376 (UniProt: P62593)
A, B: 382 - 584 (UniProt: P62593)

PDB	External Database	Details
Gly 377	-	linker
Ser 378	-	linker
Gly 379	-	linker
Gly 380	-	linker
Gly 381	-	linker

A, B: 586 - 637 (UniProt: P0AEX9)

PDB	External Database	Details
Ser 585	-	linker

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	139874.5
Non-Polymers*	Number of molecules	4
	Total formula weight	261.6
All*	Total formula weight	140136.2

*Water molecules are not included.