1TWQ

Crystal structure of the C-terminal PGN-binding domain of human PGRP-Ialpha in complex with PGN analog muramyl tripeptide


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.252
  • R-Value Work: 0.222

Literature

Macromolecules
Sequence Display for 1TWQ

Classification: IMMUNE SYSTEM MEMBRANE PROTEIN

Total Structure Weight: 18950.15

Macromolecule Entities
Molecule Chains Length Organism Details
peptidoglycan recognition protein-I-alpha A 165 Homo sapiens Fragment: C-terminal domain
Details: complexed with PGN fragment (AMU)A(GMA)K(NH2)
Gene Name(s): PGLYRP3 Gene View PGRPIA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
muramyl tripeptide P 5 synthetic Fragment: PGN fragment

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
NI
Query on NI

A NICKEL (II) ION
Ni
VEQPNABPJHWNSG-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 3 Unique
ID Chains Type Formula 2D Diagram Parent
AMU
Query on AMU
P D-SACCHARIDE C11 H19 N O8 --
GMA
Query on GMA
P L-PEPTIDE LINKING C5 H10 N2 O3 GLU
NH2
Query on NH2
P NON-POLYMER H2 N --

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.252
  • R-Value Work: 0.222
  • Space Group: P 32 2 1

Unit Cell:

Length (Å) Angle (°)
a = 104.51 α = 90.00
b = 104.51 β = 90.00
c = 42.05 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-07-01
  • Released Date: 2004-12-14
  • Deposition author(s): Guan, R., Roychowdury, A., Boons, G.-A., Mariuzza, R.A.

Revision History

  • Version 1_0: 2004-12-14

    Type: Initial release

  • Version 1_1: 2008-04-30

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance

  • Version 1_3: 2011-11-16

    Type: Atomic model

  • Version 1_4: 2017-10-11

    Type: Advisory, Refinement description