3I40	Hormone	date	Jul 01, 2009
title	Human Insulin
authors	V.I.Timofeev, V.V.Bezuglov, K.A.Miroshnikov, R.N.Chuprov-Netoch I.P.Kuranova
compound		source
Molecule: Insulin A Chain Chain: A Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Insulin B Chain Chain: B Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: I 21 3	R_factor 0.200 R_Free 0.228
crystal cell	length a length b length c angle alpha angle beta angle gamma 77.220 77.220 77.220 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.85 Å
Gene Ontology	Chain Function Process Component A B
Primary reference	X-ray investigation of gene-engineered human insulin crystallized from a solution containing polysialic acid., Timofeev VI, Chuprov-Netochin RN, Samigina VR, Bezuglov VV, Miroshnikov KA, Kuranova IP, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2010 Mar 1;66(Pt, 3):259-63. Epub 2010 Feb 23. PMID:20208155

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (13 Kb) [Save to disk] Biological Unit Coordinates (3i40.pdb1.gz) 9 Kb CSU: Contacts of Structural Units for 3I40 Structure Factors (46 Kb) Retrieve 3I40 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3I40 from S2C, [Save to disk] Re-refined 3i40 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3I40 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 3I40

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 3I40, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3i40_B] [3i40] [3i40_A] SWISS-PROT database: [P01308] Domain organization of [INS_HUMAN] by SWISSPFAM Domain found in 3I40: [IlGF ] by SMART

Other resources with information on 3I40

Community annotation for 3I40 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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