1EXZ Hormone Growth Factor date May 05, 2000
title Structure Of Stem Cell Factor
authors Z.Zhang, R.Zhang, A.Joachimiak, J.Schlessinger, X.Kong
compound source
Molecule: Stem Cell Factor
Chain: A, B, C, D
Fragment: 26-166
Synonym: Scf
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 1 21 1
R_factor 0.223 R_Free 0.294
length a length b length c angle alpha angle beta angle gamma
36.154 87.526 79.434 90.00 97.76 90.00
method X-Ray Diffractionresolution 2.30 Å
ligand CA, SM, TRS enzyme
note 1EXZ is a representative structure
related structures by homologous chain: 1SCF
A, D, C, B

Primary referenceCrystal structure of human stem cell factor: implication for stem cell factor receptor dimerization and activation., Zhang Z, Zhang R, Joachimiak A, Schlessinger J, Kong XP, Proc Natl Acad Sci U S A 2000 Jul 5;97(14):7732-7. PMID:10884405
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (93 Kb) [Save to disk]
  • Biological Unit Coordinates (1exz.pdb1.gz) 46 Kb
  • Biological Unit Coordinates (1exz.pdb2.gz) 43 Kb
  • Biological Unit Coordinates (1exz.pdb3.gz) 86 Kb
  • LPC: Ligand-Protein Contacts for 1EXZ
  • CSU: Contacts of Structural Units for 1EXZ
  • Likely Quarternary Molecular Structure file(s) for 1EXZ
  • Structure Factors (178 Kb)
  • Retrieve 1EXZ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1EXZ from S2C, [Save to disk]
  • Re-refined 1exz structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1EXZ 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 1EXZ
  • 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
  • 3D motif for 1EXZ, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1exza_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1exzb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1exzc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1exzd_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1exz from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1exz_C] [1exz_D] [1exz_B] [1exz] [1exz_A]
  • SWISS-PROT database: [P21583]
  • Domain organization of [SCF_HUMAN] by SWISSPFAM
  • Other resources with information on 1EXZ
  • Community annotation for 1EXZ 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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