9PQN image
Deposition Date 2025-07-22
Release Date 2026-08-05
Last Version Date 2026-08-05
Entry Detail
PDB ID:
9PQN
Keywords:
SUGAR BINDING PROTEIN
Title:
Crystal structure of maltose binding protein (Apo), mutant Trp340 to 4-Cyanotryptophan
Biological Source:
Source Organism(s):
Escherichia coli (Taxon ID: 562)
Expression System(s):
Escherichia coli
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
1.37 Å
R-Value Free:
0.21
R-Value Work:
0.17
R-Value Observed:
0.17
Space Group:
P 1 21 1
9PQN validation report missing
Macromolecular Entities
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Maltose/maltodextrin-binding
Gene (Uniprot):malE
Chain IDs:A
Chain Length:370
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0AEY0 Pfam ID:PF01547 EC:3.5.4.38
Modified Residue
Compound ID Chain ID Parent Comp ID Details 2D Image
A1AWS A TRP modified residue
Ligand Molecules
CD
EDO
NA
PEG
Primary Citation
Structural accomodations of tryptophan 4-substitutions in maltose binding protein
To Be Published ? ? ? (?)
Primary Citation of related structures
9PQN
Feedback Form
Name
Email
Institute
Feedback