1J2X Transcription date Jan 15, 2003
title Crystal Structure Of Rap74 C-Terminal Domain Complexed With Terminal Peptide
authors K.Kamada, R.G.Roeder, S.K.Burley
compound source
Molecule: Transcription Initiation Factor Iif, Alpha Subuni
Chain: A
Fragment: C-Terminal Domain
Synonym: Rap74 Subunit Of Transcription Factor Iif, Tfiif
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Rap74
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Ut5600
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgex-6p-1

Molecule: Rna Polymerase II Ctd Phosphatase
Chain: B
Fragment: C-Terminal Peptide
Synonym: Tfiif-Associating Ctd Phosphatase, Fcp1
Engineered: Yes

Synthetic: Yes
Other_details: Chemical Synthesis
symmetry Space Group: C 1 2 1
R_factor 0.203 R_Free 0.254
length a length b length c angle alpha angle beta angle gamma
59.605 30.446 47.379 90.00 106.38 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand SO4, ZN enzyme
related structures by homologous chain: 1I27, 1ONV

Primary referenceMolecular mechanism of recruitment of TFIIF- associating RNA polymerase C-terminal domain phosphatase (FCP1) by transcription factor IIF., Kamada K, Roeder RG, Burley SK, Proc Natl Acad Sci U S A 2003 Mar 4;100(5):2296-9. PMID:12591941
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (20 Kb) [Save to disk]
  • Biological Unit Coordinates (1j2x.pdb1.gz) 16 Kb
  • LPC: Ligand-Protein Contacts for 1J2X
  • CSU: Contacts of Structural Units for 1J2X
  • Likely Quarternary Molecular Structure file(s) for 1J2X
  • Structure Factors (65 Kb)
  • Retrieve 1J2X in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1J2X from S2C, [Save to disk]
  • Re-refined 1j2x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1J2X 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 1J2X
  • 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 1J2X, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1j2xa_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1j2x 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: [1j2x_A] [1j2x_B] [1j2x]
  • SWISS-PROT database: [Q9Y5B0] [P35269]
  • Domain organization of [CTDP1_HUMAN] [T2FA_HUMAN] by SWISSPFAM
  • Other resources with information on 1J2X
  • Community annotation for 1J2X 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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