1Q3E	Transport Protein	date	Jul 29, 2003
title	Hcn2j 443-645 In The Presence Of Cgmp
authors	W.N.Zagotta, N.B.Olivier, K.D.Black, E.C.Young, R.Olson, J.E.Goua
compound		source
Molecule: Potassiumsodium Hyperpolarization-Activated Cycl Nucleotide-Gated Channel 2; Chain: A, B Fragment: Residues 443-645 (Reference Sequence Numbering) Synonym: Brain Cyclic Nucleotide Gated Channel 2, Bcng-2, Hyperpolarization-Activated Cation Channel 1, Hac-1; Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Organ: Brain Gene: Hcn2 Or Bcng2 Or Hac1 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl-21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Petgq
symmetry	Space Group: I 4	R_factor 0.210 R_Free 0.239
crystal cell	length a length b length c angle alpha angle beta angle gamma 94.236 94.236 124.008 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	PCG	enzyme
related structures	by homologous chain: 1Q43
Primary reference	Structural basis for modulation and agonist specificity of HCN pacemaker channels., Zagotta WN, Olivier NB, Black KD, Young EC, Olson R, Gouaux E, Nature 2003 Sep 11;425(6954):200-5. PMID:12968185

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (73 Kb) [Save to disk] Biological Unit Coordinates (1q3e.pdb1.gz) 133 Kb Biological Unit Coordinates (1q3e.pdb2.gz) 132 Kb Biological Unit Coordinates (1q3e.pdb3.gz) 264 Kb LPC: Ligand-Protein Contacts for 1Q3E CSU: Contacts of Structural Units for 1Q3E Likely Quarternary Molecular Structure file(s) for 1Q3E Structure Factors (476 Kb) Retrieve 1Q3E in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Q3E from S2C, [Save to disk] Re-refined 1q3e structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Q3E 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 1Q3E

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 1Q3E, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1q3ea_, region A [Jmol] [rasmolscript] [script source]     - Domain d1q3eb_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1q3e_B] [1q3e] [1q3e_A] SWISS-PROT database: [O88703] Domain organization of [HCN2_MOUSE] by SWISSPFAM Domain found in 1Q3E: [cNMP ] by SMART

Other resources with information on 1Q3E

Community annotation for 1Q3E 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

---