2XIQ Isomerase date Jun 30, 2010
title Crystal Structure Of Human Methylmalonyl-Coa Mutase In Complex With Adenosylcobalamin And Malonyl-Coa
authors W.W.Yue, D.S.Froese, G.Kochan, A.Chaikuad, T.Krojer, J.Muniz, E.Ug C.Arrowsmith, J.Weigelt, A.Edwards, C.Bountra, U.Oppermann
compound source
Molecule: Methylmalonyl-Coa Mutase, Mitochondrial
Chain: A, B
Fragment: Residues 12-750
Synonym: Mcm, Methylmalonyl-Coa Isomerase
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)-R3-Prare2
Expression_system_vector: Pnic28-Cthf
symmetry Space Group: P 21 21 21
R_factor 0.16106 R_Free 0.20090
length a length b length c angle alpha angle beta angle gamma
75.650 143.620 163.230 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.95 Å
ligand 5AD, B12, MLC enzyme Isomerase E.C. BRENDA
A, B

Primary referenceStructures of the human GTPase MMAA and vitamin B12-dependent methylmalonyl-coa mutase and insight into their complex formation., Froese DS, Kochan G, Muniz J, Wu X, Gileadi C, Ugochukwu E, Krysztofinska E, Gravel RA, Oppermann U, Yue WW, J Biol Chem. 2010 Sep 28. PMID:20876572
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (497 Kb) [Save to disk]
  • Biological Unit Coordinates (2xiq.pdb1.gz) 246 Kb
  • Biological Unit Coordinates (2xiq.pdb2.gz) 245 Kb
  • Biological Unit Coordinates (2xiq.pdb3.gz) 487 Kb
  • LPC: Ligand-Protein Contacts for 2XIQ
  • CSU: Contacts of Structural Units for 2XIQ
  • Structure Factors (2148 Kb)
  • Retrieve 2XIQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2XIQ from S2C, [Save to disk]
  • Re-refined 2xiq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2XIQ 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 2XIQ
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2XIQ, from MSDmotif at EBI
  • Fold representative 2xiq from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2xiq] [2xiq_A] [2xiq_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Alignments of the sequence of 2XIQ with the sequences similar proteins can be viewed for 2XIQ's classification at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list.
  • A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification at ProtoMap. Click on the Cluster number.
  • Other resources with information on 2XIQ
  • Community annotation for 2XIQ 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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