Structure of PDB 6b3q Chain A

Receptor sequence
>6b3qA (length=948) Species: 9606 (Homo sapiens) [Search protein sequence]
IKRIGNHITKSPEDKREYRGLELANGIKVLLISDPTTDKSSAALDVHIGS
LSDPPNIAGLSHFLEHMLFLGTKKYPKENEYSQFLSEHAGSSNAFTSGEH
TNYYFDVSHEHLEGALDRFAQFFLSPLFDESAKDREVNAVDSEHEKNVMN
DAWRLFQLEKATGNPKHPFSKFGTGNKYTLETRPNQEGIDVRQELLKFHS
AYYSSNLMAVVVLGRESLDDLTNLVVKLFSEVENKNVPLPEFPEHPFQEE
HLKQLYKIVPIKDIRNLYVTFPIPDLQKYYKSNPGHYLGHLIGHEGPGSL
LSELKSKGWVNTLVGGQKEGARGFMFFIINVDLTEEGLLHVEDIILHMFQ
YIQKLRAEGPQEWVFQELKDLNAVAFRFKDKERPRGYTSKIAGILHYYPL
EEVLTAEYLLEEFRPDLIEMVLDKLRPENVRVAIVSKSFEGKTDRTEEWY
GTQYKQEAIPDEVIKKWQNADLNGKFKLPTKNEFIPTNFEILPLEKEATP
YPALIKDTAMSKLWFKQDDKFFLPKANLNFEFFSPFAYVDPLHSNMAYLY
LELLKDSLNEYAYAAELAGLSYDLQNTIYGMYLSVKGYNDKQPILLKKII
EKMATFEIDEKRFEIIKEAYMRSLNNFRAEQPHQHAMYYLRLLMTEVAWT
KDELKEALDDVTLPRLKAFIPQLLSRLHIEALLHGNITKQAALGIMQMVE
DTLIEHAHTKPLLPSQLVRYREVQLPDRGWFVYQQRNEVHNNSGIEIYYQ
TDMQSTSENMFLELFAQIISEPAFNTLRTKEQLGYIVFSGPRRANGIQGL
RFIIQSEKPPHYLESRVEAFLITMEKSIEDMTEEAFQKHIQALAIRRLDK
PKKLSAESAKYWGEIISQQYNFDRDNTEVAYLKTLTKEDIIKFYKEMLAV
DAPRRHKVSVHVLAREMSQAPALPQPEVIQNMTEFKRGLPLFPLVKPH
3D structure
PDB6b3q Ensemble cryoEM elucidates the mechanism of insulin capture and degradation by human insulin degrading enzyme.
ChainA
Resolution3.7 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) E111
Catalytic site (residue number reindexed from 1) E65
Enzyme Commision number 3.4.24.56: insulysin.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 peptide A H112 F115 N139 A140 F141 A198 W199 F202 G335 V360 Q363 N376 R431 Q680 M683 R687 F820 Y831 F834 H66 F69 N93 A94 F95 A152 W153 F156 G289 V314 Q317 N330 R385 Q634 M637 R641 F774 Y785 F788
Gene Ontology
Molecular Function
GO:0001618 virus receptor activity
GO:0004175 endopeptidase activity
GO:0004222 metalloendopeptidase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0008237 metallopeptidase activity
GO:0008270 zinc ion binding
GO:0042277 peptide binding
GO:0042803 protein homodimerization activity
GO:0043559 insulin binding
GO:0046872 metal ion binding
Biological Process
GO:0006508 proteolysis
GO:0008286 insulin receptor signaling pathway
GO:0010815 bradykinin catabolic process
GO:0010992 ubiquitin recycling
GO:0019885 antigen processing and presentation of endogenous peptide antigen via MHC class I
GO:0030163 protein catabolic process
GO:0032092 positive regulation of protein binding
GO:0042447 hormone catabolic process
GO:0043171 peptide catabolic process
GO:0045732 positive regulation of protein catabolic process
GO:0046718 symbiont entry into host cell
GO:0050435 amyloid-beta metabolic process
GO:0051603 proteolysis involved in protein catabolic process
GO:0097242 amyloid-beta clearance
GO:0150094 amyloid-beta clearance by cellular catabolic process
GO:1901142 insulin metabolic process
GO:1901143 insulin catabolic process
GO:1903715 regulation of aerobic respiration
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005739 mitochondrion
GO:0005777 peroxisome
GO:0005782 peroxisomal matrix
GO:0005829 cytosol
GO:0005886 plasma membrane
GO:0009897 external side of plasma membrane
GO:0009986 cell surface
GO:0016323 basolateral plasma membrane
GO:0070062 extracellular exosome

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Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:6b3q, PDBe:6b3q, PDBj:6b3q
PDBsum6b3q
PubMed29596046
UniProtP14735|IDE_HUMAN Insulin-degrading enzyme (Gene Name=IDE)

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