2HCT Hydrolase date Jun 18, 2006
title Acidic Residues At The Active Sites Of Cd38 And Adp-Ribosyl Determine Naapd Synthesis And Hydrolysis Activities
authors Q.Liu, I.A.Kriksunov, Q.Hao, R.Graeff, H.C.Lee
compound source
Molecule: Adp-Ribosyl Cyclase 1
Chain: A, B
Fragment: Enzymatic Domain, Residues 45-300
Synonym: Cyclic Adp-Ribose Hydrolase 1, Cadpr Hydrolase 1, Differentiation Antigen Cd38, T10, Acute Lymphoblastic Leuk Antigen Cd38;
Ec: 3.2.2.5
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Cd38
Expression_system: Pichia Pastoris
Expression_system_taxid: 4922
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Ppiczaa
symmetry Space Group: P 1
R_factor 0.195 R_Free 0.248
crystal
cell
length a length b length c angle alpha angle beta angle gamma
41.715 52.823 65.578 106.26 91.85 95.25
method X-Ray Diffractionresolution 1.95 Å
ligand NMN enzyme Hydrolase E.C.3.2.2.5 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceAcidic residues at the active sites of CD38 and ADP-ribosyl cyclase determine NAADP synthesis and hydrolysis activities., Graeff R, Liu Q, Kriksunov IA, Hao Q, Lee HC, J Biol Chem. 2006 Jul 21;. PMID:16861223
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (93 Kb) [Save to disk]
  • Biological Unit Coordinates (2hct.pdb1.gz) 45 Kb
  • Biological Unit Coordinates (2hct.pdb2.gz) 45 Kb
  • LPC: Ligand-Protein Contacts for 2HCT
  • CSU: Contacts of Structural Units for 2HCT
  • Likely Quarternary Molecular Structure file(s) for 2HCT
  • Structure Factors (260 Kb)
  • Retrieve 2HCT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2HCT from S2C, [Save to disk]
  • Re-refined 2hct structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2HCT 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 2HCT
  • 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 2HCT, from MSDmotif at EBI
  • Fold representative 2hct from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2hct] [2hct_A] [2hct_B]
  • SWISS-PROT database: [P28907]
  • Domain organization of [CD38_HUMAN] by SWISSPFAM
  • Other resources with information on 2HCT
  • Community annotation for 2HCT 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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