Structure of PDB 3qnf Chain B Binding Site BS01

Receptor Information
>3qnf Chain B (length=802) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PFPWNKIRLPEYVIPVHYDLLIHANLTTLTFWGTTKVEITASQPTSTIIL
HSHHLQISRATLRKLSEEPLQVLEHPRQEQIALLAPEPLLVGLPYTVVIH
YAGNLSETFHGFYKSTYRTKEGELRILASTQFEPTAARMAFPCFDEPAFK
ASFSIKIRREPRHLAISNMPLVKSVTVAEGLIEDHFDVTVKMSTYLVAFI
ISDFESVSKITKSGVKVSVYAVPDKINQADYALDAAVTLLEFYEDYFSIP
YPLPKQDLAAIPDFQSGAMENWGLTTYRESALLFDAEKSSASSKLGITMT
VAHELAHQWFGNLVTMEWWNDLWLNEGFAKFMEFVSVSVTHPELKVGDYF
FGKCFDAMEVDALNSSHPVSTPVENPMFDDVSYDKGACILNMLREYLSAD
AFKSGIVQYLQKHSYKNTKNEDLWDSMASIVDVKTMMNTWTLQKGFPLIT
ITVRGRNVHMKQEHYMTGYLWHVPLTFITSKSDMVHRFLLKTKTDVLILP
EEVEWIKFNVGMNGYYIVHYEDDGWDSLTGLLKGTHTAVSSNDRASLINN
AFQLVSIGKLSIEKALDLSLYLKHETEIMPVFQGLNELIPMYKLMEKRDM
NEVETQFKAFLIRLLRDLIDKQTWTDEGSVSERMLRSQLLLLACVHNYQP
CVQRAEGYFRKWKESNGNLSLPVDVTLAVFAVGAQSTEGWDFLYSKYQFS
LSSTEKSQIEFALCRTQNKEKLQWLLDETQEFPQILTLIGRNPVGYPLAW
QFLRKAHMVMGTTNQFSTRTRLEEVQQTIETIEENIGWMDKNFDKIRVWL
QS
Ligand information
Ligand IDZN
InChIInChI=1S/Zn/q+2
InChIKeyPTFCDOFLOPIGGS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Zn++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Zn+2]
FormulaZn
NameZINC ION
ChEMBLCHEMBL1236970
DrugBankDB14532
ZINC
PDB chain3qnf Chain B Residue 5000 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB3qnf Crystal structures of the endoplasmic reticulum aminopeptidase-1 (ERAP1) reveal the molecular basis for N-terminal peptide trimming.
Resolution3.0 Å
Binding residue
(original residue number in PDB)		H353 H357 E376
Binding residue
(residue number reindexed from 1)		H303 H307 E326
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) E320 H353 E354 H357 E376 Y438
Catalytic site (residue number reindexed from 1) E270 H303 E304 H307 E326 Y383
Enzyme Commision number 3.4.11.-
Gene Ontology
Molecular Function
GO:0004175 endopeptidase activity
GO:0004177 aminopeptidase activity
GO:0005138 interleukin-6 receptor binding
GO:0005151 interleukin-1, type II receptor binding
GO:0005515 protein binding
GO:0008233 peptidase activity
GO:0008235 metalloexopeptidase activity
GO:0008237 metallopeptidase activity
GO:0008270 zinc ion binding
GO:0042277 peptide binding
GO:0046872 metal ion binding
GO:0070006 metalloaminopeptidase activity
Biological Process
GO:0001525 angiogenesis
GO:0002250 adaptive immune response
GO:0002474 antigen processing and presentation of peptide antigen via MHC class I
GO:0006508 proteolysis
GO:0006509 membrane protein ectodomain proteolysis
GO:0008217 regulation of blood pressure
GO:0009617 response to bacterium
GO:0019885 antigen processing and presentation of endogenous peptide antigen via MHC class I
GO:0043171 peptide catabolic process
GO:0045088 regulation of innate immune response
GO:0045444 fat cell differentiation
GO:0045766 positive regulation of angiogenesis
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005737 cytoplasm
GO:0005783 endoplasmic reticulum
GO:0005788 endoplasmic reticulum lumen
GO:0005789 endoplasmic reticulum membrane
GO:0005829 cytosol
GO:0016020 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:3qnf, PDBe:3qnf, PDBj:3qnf
PDBsum3qnf
PubMed21508329
UniProtQ9NZ08|ERAP1_HUMAN Endoplasmic reticulum aminopeptidase 1 (Gene Name=ERAP1)

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