1NL5

Engineered High-affinity Maltose-Binding Protein

Structural Biology Knowledgebase: 1NL5 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.290
  • R-Value Work: 0.252

Literature

Macromolecules
Sequence Display for 1NL5

Classification: SUGAR BINDING PROTEIN

Total Structure Weight: 40508.50

Macromolecule Entities
Molecule Chains Length Organism Details
Maltose-binding periplasmic protein A 366 Escherichia coli Mutation: ΔE198, ΔN199, ΔK201, ΔY202, M321A, Q325A
Gene Name(s): malE b4034 JW3994
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: inferred by homology | Group: ALPHA-HELICAL

Subgroup Name: ATP Binding Cassette (ABC) Transporters

Protein Name: MalFGK2-MBP Maltose uptake transporter complex


Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
MAL
Query on MAL

A MALTOSE
C12 H22 O11
GUBGYTABKSRVRQ-ASMJPISFSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
MAL N/A in BindingDB
Kd: 6 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.290
  • R-Value Work: 0.252
  • Space Group: P 43 21 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 121.59 α = 90.00
b = 121.59 β = 90.00
c = 62.44 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-01-06
  • Released Date: 2003-08-12
  • Deposition author(s): Telmer, P.G., Shilton, B.H.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4