Structure of PDB 3mdj Chain C Binding Site BS02

Receptor Information

>3mdj Chain C (length=819) Species: 9606 (Homo sapiens)

PFPWNKIRLPEYVIPVHYDLLIHANLTTLTFWGTTKVEITASQPTSTIIL
HSHHLQISRATLRKGERLSEEPLQVLEHPRQEQIALLAPEPLLVGLPYTV
VIHYAGNLSETFHGFYKSTYRTKEGELRILASTQFEPTAARMAFPCFDEP
AFKASFSIKIRREPRHLAISNMPLVKSVTVAEGLIEDHFDVTVKMSTYLV
AFIISDFESVSKITKSGVKVSVYAVPDKINQADYALDAAVTLLEFYEDYF
SIPYPLPKQDLAAIPDFQSGAMENWGLTTYRESALLFDAEKSSASSKLDI
TMTVAHELAHQWFGNLVTMEWWNDLWLNEGFAKFMEFVSVSVTHPELKVG
DYFFGKCFDAMEVDALNSSDDVSYDKGACILNMLREYLSADAFKSGIVQY
LQKHSYKNTKNEDLWDSMASIVDVKTMMNTWTLQRGFPLITITVRGRNVH
MKQEHYMKAPDTGYLWHVPLTFITSKSDMVHRFLLKTKTDVLILPEEVEW
IKFNVGMNGYYIVHYEDDGWDSLTGLLKGTHTAVSSNDRASLINNAFQLV
SIGKLSIEKALDLSLYLKHETEIMPVFQGLNELIPMYKLMEKRDMNEVET
QFKAFLIRLLRDLIDKQTWTDEGSVSERMLRSELLLLACVHNYQPCVQRA
EGYFRKWKESNGNLSLPVDVTLAVFAVGAQSTEGWDFLYSKYQFSLSSTE
KSQIEFALCRTQNKEKLQWLLDESFKGDKIKTQEFPQILTLIGRNPVGYP
LAWQFLRKNWNKLVQKSSSIAHMVMGTTNQFSTRTRLEEVKCVQQTIETI
EENIGWMDKNFDKIRVWLQ

Ligand information

• Ligand ID: BES
• InChI: InChI=1S/C16H24N2O4/c1-10(2)8-13(16(21)22)18-15(20)14(19)12(17)9-11-6-4-3-5-7-11/h3-7,10,12-14,19H,8-9,17H2,1-2H3,(H,18,20)(H,21,22)/t12-,13+,14+/m1/s1
• InChIKey: VGGGPCQERPFHOB-RDBSUJKOSA-N
• SMILES:
  OpenEye OEToolkits 1.5.0: CC(C)C[C@@H](C(=O)O)NC(=O)[C@H]([C@@H](Cc1ccccc1)N)O
  CACTVS 3.341: CC(C)C[C@H](NC(=O)[C@@H](O)[C@H](N)Cc1ccccc1)C(O)=O
  ACDLabs 10.04: O=C(O)C(NC(=O)C(O)C(N)Cc1ccccc1)CC(C)C
  OpenEye OEToolkits 1.5.0: CC(C)CC(C(=O)O)NC(=O)C(C(Cc1ccccc1)N)O
  CACTVS 3.341: CC(C)C[CH](NC(=O)[CH](O)[CH](N)Cc1ccccc1)C(O)=O
• Formula: C16 H24 N2 O4
• Name: 2-(3-AMINO-2-HYDROXY-4-PHENYL-BUTYRYLAMINO)-4-METHYL-PENTANOIC ACID;
  BESTATIN
• ChEMBL: CHEMBL29292
• DrugBank: DB03424
• ZINC: ZINC000001542895
• PDB chain: 3mdj Chain C Residue 1001

Receptor-Ligand Complex Structure

Structure summary

• PDB: 3mdj Structural basis for antigenic peptide precursor processing by the endoplasmic reticulum aminopeptidase ERAP1.
• Resolution: 2.95 Å
• Binding residue (original residue number in PDB): E183 G317 A318 M319 E320 T350 E354
• Binding residue (residue number reindexed from 1): E136 G270 A271 M272 E273 T303 E307
• Annotation score: 3
• Binding affinity: BindingDB: IC50=50000nM

Enzymatic activity

• Catalytic site (original residue number in PDB): E320 H353 E354 H357 E376 Y438
• Catalytic site (residue number reindexed from 1): E273 H306 E307 H310 E329 Y374
• 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

External links

• PDB: RCSB:3mdj, PDBe:3mdj, PDBj:3mdj
• PDBsum: 3mdj
• PubMed: 21478864
• UniProt: Q9NZ08|ERAP1_HUMAN Endoplasmic reticulum aminopeptidase 1 (Gene Name=ERAP1)