2QL2	Transcription Dna	date	Jul 12, 2007
title	Crystal Structure Of The Basic-Helix-Loop-Helix Domains Of T Heterodimer E47neurod1 Bound To Dna
authors	R.B.Rose, A.Longo, G.P.Guanga
compound		source
Molecule: Transcription Factor E2-Alpha Chain: A, C Fragment: Basic-Helix-Loop-Helix Domain Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: Mouse Organism_taxid: 10090 Gene: Tcf3 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Star Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet24b
Molecule: Neurogenic Differentiation Factor 1 Chain: B, D Fragment: Basic Helix-Loop-Helix Domain Synonym: Neurod1 Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: Mouse Organism_taxid: 10090 Gene: Neurod1, Neurod Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Star Expression_system_vector_type: Plasmid Expression_system_plasmid: Pcdf-1b
Molecule: Dna (5'- D(Dtpdapdgpdgpdcpdcpdapdtpdcpdtpdgpdgpdtpdcp 3'); Chain: E, G Engineered: Yes		Synthetic: Yes Other_details: Synthesized Oligonucleotide
Molecule: Dna (5'- D(Dapdgpdgpdapdcpdcpdapdgpdapdtpdgpdgpdcpdcp 3'); Chain: F, H Engineered: Yes		Synthetic: Yes Other_details: Synthesized Oligonucleotide
symmetry	Space Group: P 21 21 2	R_factor 0.248 R_Free 0.289
crystal cell	length a length b length c angle alpha angle beta angle gamma 60.310 169.540 52.240 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
note	2QL2 is a representative structure
Gene Ontology	Chain Function Process Component A, C D, B
Primary reference	Crystal structure of E47-NeuroD1/beta2 bHLH domain-DNA complex: heterodimer selectivity and DNA recognition., Longo A, Guanga GP, Rose RB, Biochemistry. 2008 Jan 8;47(1):218-29. Epub 2007 Dec 11. PMID:18069799

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (67 Kb) [Save to disk] Biological Unit Coordinates (2ql2.pdb1.gz) 32 Kb Biological Unit Coordinates (2ql2.pdb2.gz) 31 Kb Biological Unit Coordinates (2ql2.pdb3.gz) 61 Kb CSU: Contacts of Structural Units for 2QL2 Likely Quarternary Molecular Structure file(s) for 2QL2 Structure Factors (138 Kb) Retrieve 2QL2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QL2 from S2C, [Save to disk] Re-refined 2ql2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QL2 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 2QL2

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 3D motif for 2QL2, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ql2_E] [2ql2_H] [2ql2_G] [2ql2_A] [2ql2_C] [2ql2_B] [2ql2_D] [2ql2_] [2ql2] [2ql2_F] SWISS-PROT database: [Q60867] [P15806] Domain organization of [NDF1_MOUSE] [TFE2_MOUSE] by SWISSPFAM Domain found in 2QL2: [HLH ] by SMART

Other resources with information on 2QL2

Community annotation for 2QL2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---