6PAX	Gene Regulation Dna	date	Apr 22, 1999
title	Crystal Structure Of The Human Pax-6 Paired Domain-Dna Complex Reveals A General Model For Pax Protein-Dna Interactions
authors	H.E.Xu, M.A.Rould, W.Xu, J.A.Epstein, R.L.Maas, C.O.Pabo
compound		source
Molecule: 26 Nucleotide Dna Chain: B Engineered: Yes		Synthetic: Yes
Molecule: 26 Nucleotide Dna Chain: C Engineered: Yes		Synthetic: Yes
Molecule: Homeobox Protein Pax-6 Chain: A Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Pax6 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
symmetry	Space Group: P 21 21 21	R_factor 0.233 R_Free 0.256
crystal cell	length a length b length c angle alpha angle beta angle gamma 33.840 61.686 171.111 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
related structures	by homologous chain: 1K78, 1PDN
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of the human Pax6 paired domain-DNA complex reveals specific roles for the linker region and carboxy-terminal subdomain in DNA binding., Xu HE, Rould MA, Xu W, Epstein JA, Maas RL, Pabo CO, Genes Dev 1999 May 15;13(10):1263-75. PMID:10346815

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (54 Kb) [Save to disk] Biological Unit Coordinates (6pax.pdb1.gz) 51 Kb CSU: Contacts of Structural Units for 6PAX Likely Quarternary Molecular Structure file(s) for 6PAX Structure Factors (141 Kb) Retrieve 6PAX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 6PAX from S2C, [Save to disk] Re-refined 6pax structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 6PAX 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 6PAX

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 6PAX, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d6paxa1, region A:1-68 [Jmol] [rasmolscript] [script source]     - Domain d6paxa2, region A:69-133 [Jmol] [rasmolscript] [script source] 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: [6pax_B] [6pax] [6pax_A] [6pax_C] SWISS-PROT database: [P26367] Domain organization of [PAX6_HUMAN] by SWISSPFAM Domain found in 6PAX: [PAX ] by SMART

Other resources with information on 6PAX

Community annotation for 6PAX at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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Images from IMB Jena Image Library of Biological Macromolecules.

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