4OGA: Insulin

Insulin in complex with Site 1 of the human insulin receptor. Determined by X-ray diffraction at 3.5 Å resolution. Released 27 Aug 2014.

Method
X-ray diffraction
Resolution
3.5 Å
Organisms
Homo sapiens, Mus musculus
Chains
6
Atoms
4,693
Mol. weight
71.69 kDa
Ligands
NAG
Released
27 Aug 2014

Explore 4OGA in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4OGA contains 22 α-helices and 56 β-strands across 6 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 1 helix, 1 β-strand

ElementResiduesLengthSheet
α-helix2-65
β-strand2011
Chain B: 2 helices, 1 β-strand
ElementResiduesLengthSheet
α-helix10-1910
α-helix20-223
β-strand2411
Chain C: 3 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand3-752
β-strand11-1223
β-strand18-2582
β-strand33-3974
β-strand46-5164
β-strand57-5934
α-helix61-633
β-strand67-7262
α-helix73-753
β-strand77-8262
α-helix87-893
β-strand91-9884
β-strand10814
β-strand112-11434
β-strand115-11623
Chain D: 3 helices, 13 β-strands
ElementResiduesLengthSheet
β-strand4-745
β-strand10-1456
β-strand18-2585
β-strand30-3127
α-helix32-343
β-strand36-3727
β-strand39-4466
β-strand51-5556
β-strand59-6026
α-helix611
β-strand68-7365
β-strand76-8275
α-helix86-883
β-strand90-9676
β-strand102-10326
β-strand107-11266
Chain E: 12 helices, 29 β-strands
ElementResiduesLengthSheet
β-strand7-1488
α-helix18-236
β-strand28-38118
α-helix43-464
β-strand56-5728
β-strand61-6668
β-strand81-8228
β-strand8818
β-strand91-9668
β-strand111-11228
β-strand116-12278
α-helix133-1353
β-strand144-14858
α-helix149-1524
β-strand172-17329
β-strand178-17929
β-strand182-184310
β-strand187-188210
α-helix189-1902
α-helix194-1963
β-strand201111
α-helix2061
β-strand207111
α-helix208-2092
β-strand212112
β-strand216113
β-strand225113
β-strand228112
β-strand231-233314
β-strand236-238314
α-helix241-2422
β-strand245-248414
β-strand252-255414
α-helix256-2638
β-strand278-280314
β-strand283-285314
α-helix288-2892
β-strand292-294315
β-strand300114
β-strand301-303315
α-helix308-3092
Chain F: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix706-7138

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Insulin A chainAprotein21Homo sapiensP01308 (AlphaFold model)
Insulin B chainBprotein30Homo sapiensP01308 (AlphaFold model)
monoclonal antibody fab 83-7 fragment - heavy chainCprotein118Mus musculus
monoclonal antibody fab 83-7 fragment - light chainDprotein114Mus musculus
Insulin receptor domains L1-CREprotein317Homo sapiensP06213 (AlphaFold model)
Insulin receptor alpha-CT peptideFprotein16Homo sapiensP06213 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4OGA_1 Insulin A chain (chains A)
GIVEQCCTSICSLYQLENYCN
Sequence of entity 2 (B), FASTA
>4OGA_2 Insulin B chain (chains B)
FVNQHLCGSHLVEALYLVCGERGFFYTPKT
Sequence of entity 3 (C), FASTA
>4OGA_3 monoclonal antibody fab 83-7 fragment - heavy chain (chains C)
QVQLKESGPGLVAPSQSLSITCTVSGFPLTAYGVNWVRQPPGKGLEWLGMIWGDGNTDYN
SALKSRLSISKDNSKSQVFLKMNSLQTDDTARYYCARDPYGSKPMDYWGQGTSVTVSS
Sequence of entity 4 (D), FASTA
>4OGA_4 monoclonal antibody fab 83-7 fragment - light chain (chains D)
DIVMSQSPSSLVVSVGEKVTMSCKSSQSLLYSSNQKNFLAWYQQKPGQSPKLLIYWASTR
ESGVPDRFTGSGSGTDFTLTISSVKAEDLAVYYCQQYFRYRTFGGGTKLEIKRA
Sequence of entity 5 (E), FASTA
>4OGA_5 Insulin receptor domains L1-CR (chains E)
HLYPGEVCPGMDIRNNLTRLHELENCSVIEGHLQILLMFKTRPEDFRDLSFPKLIMITDY
LLLFRVYGLESLKDLFPNLTVIRGSRLFFNYALVIFEMVHLKELGLYNLMNITRGSVRIE
KNNELCYLATIDWSRILDSVEDNHIVLNKDDNEECGDICPGTAKGKTNCPATVINGQFVE
RCWTHSHCQKVCPTICKSHGCTAEGLCCHSECLGNCSQPDDPTKCVACRNFYLDGRCVET
CPPPYYHFQDWRCVNFSFCQDLHHKCKNSRRQGCHQYVIHNNKCIPECPSGYTMNSSNLL
CTPCLGPCPKSSSLVPR
Sequence of entity 6 (F), FASTA
>4OGA_6 Insulin receptor alpha-CT peptide (chains F)
TFEDYLHNVVFVPRPS

Ligands and cofactors

IDNameFormulaCopies
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O63

Primary citation

Protective hinge in insulin opens to enable its receptor engagement. Menting, J.G., Yang, Y., Chan, S.J. et al. Proc Natl Acad Sci U S A (2014) 111:E3395-E3404. DOI 10.1073/pnas.1412897111 · PubMed

Other PDB entries of the same protein (UniProt P01308 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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4OGA is part of these collections:

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