1ZIU

Crystal Structure of nickel-bound engineered Maltose Binding Protein

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Maltose-binding periplasmic protein	polymer	370	40712.1	1	UniProt (P02928) Pfam (PF01547) UniProt (by SIFTS) (P0AEX9) In PDB	Escherichia coli	Maltodextrin-binding protein, MMBP
2	A	NICKEL (II) ION	non-polymer		58.7	2	Chemie (NI)
3		water	water		18.0	243	Chemie (HOH)

Sequence modifications

A: 1 - 370 (UniProt: P02928)

PDB	External Database	Details
His 63	Ala 89	engineered mutation
His 66	Arg 92	engineered mutation
Met 111	Glu 137	engineered mutation
Glu 155	Tyr 181	engineered mutation
Glu 340	Trp 366	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	40712.1
Non-Polymers*	Number of molecules	2
	Total formula weight	117.4
All*	Total formula weight	40829.5

*Water molecules are not included.