7CMO Hydrolase date Jul 28, 2020
title Crystal Structure Of Human Inorganic Pyrophosphatase
authors F.Hu, Z.Huang, L.Li
compound source
Molecule: Inorganic Pyrophosphatase
Chain: A, B, C, D
Synonym: Pyrophosphate Phospho-Hydrolase,Ppase
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Ppa1, Ioppp, Pp
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
symmetry Space Group: P 21 21 21
R_factor 0.221 R_Free 0.277
length a length b length c angle alpha angle beta angle gamma
49.905 135.041 212.707 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.40 Å
enzyme Hydrolase E.C. BRENDA
Primary referenceStructural and biochemical characterization of inorganic pyrophosphatase from Homo sapiens., Hu F, Huang Z, Zheng S, Wu Q, Chen Y, Lin H, Huang W, Li L, Biochem Biophys Res Commun. 2020 Oct 6. pii: S0006-291X(20)31891-X. doi:, 10.1016/j.bbrc.2020.09.139. PMID:33036755
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (380 Kb) [Save to disk]
  • Biological Unit Coordinates (7cmo.pdb1.gz) 186 Kb
  • Biological Unit Coordinates (7cmo.pdb2.gz) 183 Kb
  • CSU: Contacts of Structural Units for 7CMO
  • Structure Factors (418 Kb)
  • Retrieve 7CMO in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 7CMO from S2C, [Save to disk]
  • View 7CMO 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 7CMO
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • Fold representative 7cmo from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [7cmo_D] [7cmo_B] [7cmo_A] [7cmo_C]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 7CMO
  • Community annotation for 7CMO at PDBWiki (http://pdbwiki.org)

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