3E4Z: Human insulin degrading enzyme

Crystal structure of human insulin degrading enzyme in complex with insulin-like growth factor II. Determined by X-ray diffraction at 2.28 Å resolution. Released 18 Aug 2009.

Method
X-ray diffraction
Resolution
2.28 Å
Organism
Homo sapiens
Chains
4
Atoms
16,411
Mol. weight
244.22 kDa
Ligands
ZN
Released
18 Aug 2009

Explore 3E4Z in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3E4Z contains 121 α-helices and 72 β-strands across 4 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: 60 helices, 34 β-strands

ElementResiduesLengthSheet
β-strand47-5041
β-strand63-6971
β-strand74-7961
β-strand85-9281
α-helix96-983
α-helix106-1138
α-helix114-1163
β-strand11812
α-helix126-1327
β-strand137-14261
β-strand147-15481
α-helix155-1573
α-helix158-1669
α-helix167-1693
β-strand17212
α-helix176-19419
α-helix197-20711
α-helix214-2163
α-helix2231
α-helix224-2285
α-helix229-2324
α-helix237-24812
α-helix251-2533
β-strand254-26071
α-helix264-27512
α-helix283-2864
α-helix295-2973
β-strand300-30453
β-strand312-31983
α-helix323-3253
α-helix330-3389
α-helix346-3527
β-strand359-36793
β-strand370-37893
α-helix381-3844
α-helix387-40418
α-helix408-42316
α-helix425-4295
α-helix430-44011
α-helix446-4483
α-helix461-4688
α-helix473-4753
β-strand477-48153
α-helix483-4853
β-strand491-49223
β-strand499-50463
α-helix505-5062
α-helix507-5148
α-helix524-5263
α-helix536-5416
β-strand549-55354
β-strand557-56374
β-strand571-57994
α-helix581-5833
α-helix587-61327
β-strand616-62384
β-strand626-63494
α-helix638-65013
α-helix656-67217
α-helix673-6753
α-helix682-6909
β-strand69115
α-helix697-7048
α-helix709-72113
β-strand722-72326
β-strand724-73184
α-helix735-75319
β-strand756-75726
α-helix758-7592
α-helix760-7623
α-helix766-7672
β-strand76815
β-strand76917
α-helix771-7722
β-strand775-78288
β-strand789-799118
α-helix802-82019
α-helix821-8266
β-strand833-84088
β-strand843-852108
α-helix856-87621
α-helix879-89416
α-helix895-8973
α-helix900-91213
α-helix920-9289
α-helix933-94311
β-strand952-95988
α-helix980-9856
α-helix987-9893
β-strand990-99128
α-helix9921
α-helix995-10006
β-strand100417
α-helix1005-10106
Chain B: 61 helices, 34 β-strands
ElementResiduesLengthSheet
β-strand47-5049
β-strand63-6979
β-strand74-7969
β-strand85-9289
α-helix96-983
α-helix106-1138
α-helix114-1163
β-strand118110
α-helix126-1338
β-strand137-14269
β-strand147-15489
α-helix155-1573
α-helix158-1669
α-helix167-1693
β-strand172110
α-helix176-19419
α-helix197-20711
α-helix214-2163
α-helix2231
α-helix224-2285
α-helix229-2324
α-helix237-24812
α-helix251-2533
β-strand254-26079
α-helix264-27512
α-helix283-2864
α-helix295-2973
β-strand300-304511
β-strand312-320911
α-helix323-3253
α-helix330-3389
α-helix346-3527
β-strand359-367911
β-strand370-378911
α-helix381-3844
α-helix387-40418
α-helix408-42316
α-helix425-4295
α-helix430-44011
α-helix446-4483
α-helix461-4688
α-helix473-4753
β-strand477-481511
α-helix483-4853
β-strand491-492211
β-strand499-504611
α-helix505-5062
α-helix507-5148
α-helix524-5274
α-helix536-5416
β-strand549-553512
β-strand557-563712
β-strand571-579912
α-helix581-5833
α-helix587-61327
β-strand616-622712
β-strand626-634912
α-helix638-65013
α-helix656-67217
α-helix673-6753
α-helix682-6909
β-strand691113
α-helix697-7048
α-helix709-72113
β-strand722-723214
β-strand724-731812
α-helix735-75319
β-strand756-757214
α-helix758-7592
α-helix760-7623
α-helix766-7672
β-strand768113
β-strand769115
α-helix771-7722
β-strand775-782816
β-strand789-7991116
α-helix802-82019
α-helix821-8266
β-strand832-840916
β-strand843-8521016
α-helix859-87618
α-helix879-89416
α-helix895-8973
α-helix900-91213
α-helix920-9289
α-helix933-9397
α-helix940-9445
β-strand952-959816
α-helix980-9856
α-helix987-9893
β-strand990-991216
α-helix9921
α-helix995-10006
β-strand1004115
α-helix1005-10106
Chain C: 0 helices, 2 β-strands
ElementResiduesLengthSheet
β-strand213
β-strand1511
Chain D: 0 helices, 2 β-strands
ElementResiduesLengthSheet
β-strand2111
β-strand15-1629

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Insulin-degrading enzymeA, Bprotein990Homo sapiensP14735 (AlphaFold model)
Insulin-like growth factor IIC, Dprotein67Homo sapiensP01344 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>3E4Z_1 Insulin-degrading enzyme (chains A, B)
MHHHHHHAAGIPMNNPAIKRIGNHITKSPEDKREYRGLELANGIKVLLISDPTTDKSSAA
LDVHIGSLSDPPNIAGLSHFLQHMLFLGTKKYPKENEYSQFLSEHAGSSNAFTSGEHTNY
YFDVSHEHLEGALDRFAQFFLSPLFDESAKDREVNAVDSEHEKNVMNDAWRLFQLEKATG
NPKHPFSKFGTGNKYTLETRPNQEGIDVRQELLKFHSAYYSSNLMAVVVLGRESLDDLTN
LVVKLFSEVENKNVPLPEFPEHPFQEEHLKQLYKIVPIKDIRNLYVTFPIPDLQKYYKSN
PGHYLGHLIGHEGPGSLLSELKSKGWVNTLVGGQKEGARGFMFFIINVDLTEEGLLHVED
IILHMFQYIQKLRAEGPQEWVFQELKDLNAVAFRFKDKERPRGYTSKIAGILHYYPLEEV
LTAEYLLEEFRPDLIEMVLDKLRPENVRVAIVSKSFEGKTDRTEEWYGTQYKQEAIPDEV
IKKWQNADLNGKFKLPTKNEFIPTNFEILPLEKEATPYPALIKDTAMSKLWFKQDDKFFL
PKANLNFEFFSPFAYVDPLHSNMAYLYLELLKDSLNEYAYAAELAGLSYDLQNTIYGMYL
SVKGYNDKQPILLKKIIEKMATFEIDEKRFEIIKEAYMRSLNNFRAEQPHQHAMYYLRLL
MTEVAWTKDELKEALDDVTLPRLKAFIPQLLSRLHIEALLHGNITKQAALGIMQMVEDTL
IEHAHTKPLLPSQLVRYREVQLPDRGWFVYQQRNEVHNNSGIEIYYQTDMQSTSENMFLE
LFAQIISEPAFNTLRTKEQLGYIVFSGPRRANGIQGLRFIIQSEKPPHYLESRVEAFLIT
MEKSIEDMTEEAFQKHIQALAIRRLDKPKKLSAESAKYYGEIISQQYNFDRDNTEVAYLK
TLTKEDIIKFYKEMLAVDAPRRHKVSVHVLAREMDSCPVVGEFPCQNDINLSQAPALPQP
EVIQNMTEFKRGLPLFPLVKPHINFMAAKL
Sequence of entity 2 (C, D), FASTA
>3E4Z_2 Insulin-like growth factor II (chains C, D)
AYRPSETLCGGELVDTLQFVCGDRGFYFSRPASRVSRRSRGIVEECCFRSCDLALLETYC
ATPAKSE

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn2

Primary citation

Molecular Basis for the Recognition and Cleavages of IGF-II, TGF-alpha, and Amylin by Human Insulin-Degrading Enzyme. Guo, Q., Manolopoulou, M., Bian, Y. et al. J Mol Biol (2010) 395:430-443. DOI 10.1016/j.jmb.2009.10.072 · PubMed

Other PDB entries of the same protein (UniProt P14735 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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