4F1F Hormone date May 06, 2012
title Human Insulin
authors M.P.Favero-Retto, L.C.Palmieri, L.M.T.R.Lima
compound source
Molecule: Insulin A Chain
Chain: A, C
Fragment: Unp Residues 90-110
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606

Molecule: Insulin B Chain
Chain: B, D
Fragment: Unp Residues 25-54

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: H 3
R_factor 0.194 R_Free 0.258
length a length b length c angle alpha angle beta angle gamma
81.630 81.630 33.780 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.68 Å
ligand CL, ZN enzyme
A, C

D, B

Primary referenceStructural meta-analysis of regular human insulin in pharmaceutical formulations., Favero-Retto MP, Palmieri LC, Souza TA, Almeida FC, Lima LM, Eur J Pharm Biopharm. 2013 May 18. pii: S0939-6411(13)00173-2. doi:, 10.1016/j.ejpb.2013.05.005. PMID:23692694
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (24 Kb) [Save to disk]
  • Biological Unit Coordinates (4f1f.pdb1.gz) 58 Kb
  • LPC: Ligand-Protein Contacts for 4F1F
  • CSU: Contacts of Structural Units for 4F1F
  • Structure Factors (128 Kb)
  • Retrieve 4F1F in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4F1F from S2C, [Save to disk]
  • Re-refined 4f1f structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4F1F 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 4F1F
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 4F1F, from MSDmotif at EBI
  • Fold representative 4f1f from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4f1f_D] [4f1f] [4f1f_C] [4f1f_A] [4f1f_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 4F1F: [IlGF ] by SMART
  • Other resources with information on 4F1F
  • Community annotation for 4F1F at PDBWiki (http://pdbwiki.org)

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