4TOZ

MppA Periplasmic Murein Tripeptide Binding Protein, Unliganded Open Form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Periplasmic murein peptide-binding protein	polymer	523	58739.3	2	UniProt (P77348) Pfam (PF00496) In PDB	Escherichia coli (strain K12)
2	A	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	1	Chemie (TRS)
3		water	water		18.0	1647	Chemie (HOH)

Sequence modifications

A, B: 23 - 537 (UniProt: P77348)

PDB	External Database	Details
Asp 359	Glu 359	conflict
Ser 538	-	expression tag
Arg 539	-	expression tag
His 540	-	expression tag
His 541	-	expression tag
His 542	-	expression tag
His 543	-	expression tag
His 544	-	expression tag
His 545	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	117478.5
Non-Polymers*	Number of molecules	1
	Total formula weight	122.1
All*	Total formula weight	117600.7

*Water molecules are not included.