1X89 Antimicrobial Protein date Aug 17, 2004
title Crystal Structure Of Siderocalin (Ngal, Lipocalin 2) Complex Carboxymycobactin S
authors M.A.Holmes, W.Paulsene, X.Jide, C.Ratledge, R.K.Strong
compound source
Molecule: Neutrophil Gelatinase-Associated Lipocalin
Chain: A, B, C
Synonym: Siderocalin, Ngal, P25, 25 Kda Alpha-2-Microglobul Subunit Of Mmp-9, Lipocalin 2, Oncogene 24p3;
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Lcn2, Ngal, Hnl
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21-De3-Ril
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgex-4t-3
symmetry Space Group: P 41 21 2
R_factor 0.220 R_Free 0.251
crystal
cell
length a length b length c angle alpha angle beta angle gamma
114.200 114.200 119.300 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.10 Å
ligand CM1 enzyme
related structures by homologous chain: 1X71
Gene
Ontology
ChainFunctionProcessComponent
A, C, B


Primary referenceSiderocalin (Lcn 2) Also Binds Carboxymycobactins, Potentially Defending against Mycobacterial Infections through Iron Sequestration., Holmes MA, Paulsene W, Jide X, Ratledge C, Strong RK, Structure (Camb) 2005 Jan;13(1):29-41. PMID:15642259
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (95 Kb) [Save to disk]
  • Biological Unit Coordinates (1x89.pdb1.gz) 31 Kb
  • Biological Unit Coordinates (1x89.pdb2.gz) 29 Kb
  • Biological Unit Coordinates (1x89.pdb3.gz) 31 Kb
  • LPC: Ligand-Protein Contacts for 1X89
  • CSU: Contacts of Structural Units for 1X89
  • Likely Quarternary Molecular Structure file(s) for 1X89
  • Retrieve 1X89 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1X89 from S2C, [Save to disk]
  • View 1X89 in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1X89
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1X89, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1x89_A] [1x89] [1x89_C] [1x89_B]
  • SWISS-PROT database: [P80188]
  • Domain organization of [NGAL_HUMAN] by SWISSPFAM
  • Other resources with information on 1X89
  • Community annotation for 1X89 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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