Structure of PDB 2g54 Chain B

Receptor sequence
>2g54B (length=966) Species: 9606 (Homo sapiens) [Search protein sequence]
NPAIKRIGNHITKSPEDKREYRGLELANGIKVLLISDPTTDKSSAALDVH
IGSLSDPPNIAGLSHFCQHMLFLGTKKYPKENEYSQFLSEHAGSSNAFTS
GEHTNYYFDVSHEHLEGALDRFAQFFLCPLFDESCKDREVNAVDSEHEKN
VMNDAWRLFQLEKATGNPKHPFSKFGTGNKYTLETRPNQEGIDVRQELLK
FHSAYYSSNLMAVCVLGRESLDDLTNLVVKLFSEVENKNVPLPEFPEHPF
QEEHLKQLYKIVPIKDIRNLYVTFPIPDLQKYYKSNPGHYLGHLIGHEGP
GSLLSELKSKGWVNTLVGGQKEGARGFMFFIINVDLTEEGLLHVEDIILH
MFQYIQKLRAEGPQEWVFQECKDLNAVAFRFKDKERPRGYTSKIAGILHY
YPLEEVLTAEYLLEEFRPDLIEMVLDKLRPENVRVAIVSKSFEGKTDRTE
EWYGTQYKQEAIPDEVIKKWQNADLNGKFKLPTKNEFIPTNFEILPLEKE
ATPYPALIKDTAMSKLWFKQDDKFFLPKACLNFEFFSPFAYVDPLHCNMA
YLYLELLKDSLNEYAYAAELAGLSYDLQNTIYGMYLSVKGYNDKQPILLK
KIIEKMATFEIDEKRFEIIKEAYMRSLNNFRAEQPHQHAMYYLRLLMTEV
AWTKDELKEALDDVTLPRLKAFIPQLLSRLHIEALLHGNITKQAALGIMQ
MVEDTLIEHAHTKPLLPSQLVRYREVQLPDRGWFVYQQRNEVHNNCGIEI
YYQTDMQSTSENMFLELFCQIISEPCFNTLRTKEQLGYIVFSGPRRANGI
QGLRFIIQSEKPPHYLESRVEAFLITMEKSIEDMTEEAFQKHIQALAIRR
LDKPKKLSAECAKYWGEIISQQYNFDRDNTEVAYLKTLTKEDIIKFYKEM
LAVDAPRRHKVSVHVLAREMDSCPVVGEFINLSQAPALPQPEVIQNMTEF
KRGLPLFPLVKPHINF
3D structure
PDB2g54 Structures of human insulin-degrading enzyme reveal a new substrate recognition mechanism.
ChainB
Resolution2.25 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) Q111
Catalytic site (residue number reindexed from 1) Q68
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 B H108 Q111 H112 N139 A140 F141 T142 Y150 E189 W199 F202 T220 G339 E341 L359 V360 G361 E365 F820 R824 Y831 H65 Q68 H69 N96 A97 F98 T99 Y107 E146 W156 F159 T177 G296 E298 L316 V317 G318 E322 F777 R781 Y788
BS02 ZN B H108 H112 E189 H65 H69 E146
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

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:2g54, PDBe:2g54, PDBj:2g54
PDBsum2g54
PubMed17051221
UniProtP14735|IDE_HUMAN Insulin-degrading enzyme (Gene Name=IDE)

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