1YRN	Dna Binding Protein Dna	date	Nov 02, 1995
title	Crystal Structure Of The Mata1matalpha2 Homeodomain Heterod To Dna
authors	T.Li, M.R.Stark, A.D.Johnson, C.Wolberger
compound		source
Molecule: Dna (5'- D(Tpapcpaptpgptpapaptptptpaptptpapc Papt 3'); Chain: C Engineered: Yes		Synthetic: Yes
Molecule: Dna (5'- D(Tpaptpgpaptpgptpapaptpapapaptptpa Pcpa 3'); Chain: D Engineered: Yes		Synthetic: Yes
Molecule: Protein (Mat A1 Homeodomain) Chain: A Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Mat A1 Residue 66-126 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pmsk66 Expression_system_gene: Mat A1 Residue 66-126 Other_details: T7 Promoter
Molecule: Protein (Mat Alpha2 Homeodomain) Chain: B Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Mat Alpha2 Residue 128-210 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pav105 Expression_system_gene: Mat Alpha2 Residue 128-210 Other_details: Tac Promoter
symmetry	Space Group: P 61	R_factor 0.225 R_Free 0.298
crystal cell	length a length b length c angle alpha angle beta angle gamma 132.380 132.380 45.860 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.50 Å
related structures	by homologous chain: 1AKH, 1APL, 1F43
Gene Ontology	Chain Function Process Component A B
Primary reference	Crystal structure of the MATa1/MAT alpha 2 homeodomain heterodimer bound to DNA., Li T, Stark MR, Johnson AD, Wolberger C, Science 1995 Oct 13;270(5234):262-9. PMID:7569974

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (43 Kb) [Save to disk] Biological Unit Coordinates (1yrn.pdb1.gz) 38 Kb CSU: Contacts of Structural Units for 1YRN Likely Quarternary Molecular Structure file(s) for 1YRN Retrieve 1YRN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1YRN from S2C, [Save to disk]

View 1YRN 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 1YRN

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1YRN, from MSDmotif at EBI Genome occurence of 1YRN's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1yrna_, region A [Jmol] [rasmolscript] [script source]     - Domain d1yrnb_, region B [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: [1yrn_A] [1yrn_D] [1yrn_C] [1yrn_B] [1yrn] SWISS-PROT database: [P01366] [Q6B2C0] Domain organization of [MATA1_YEAST] [MTAL2_YEAST] by SWISSPFAM Domain found in 1YRN: [HOX ] by SMART

Other resources with information on 1YRN

Community annotation for 1YRN at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1YRN from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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