Structure of PDB 4ixu Chain A Binding Site BS03

Receptor Information
>4ixu Chain A (length=306) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
HSVAVIGAPFSQGQKRKGVEHGPAAIREAGLMKRLSSLGCHLKDFGDLSF
TPVPKDDLYNNLIVNPRSVGLANQELAEVVSRAVSDGYSCVTLGGDHSLA
IGTISGHARHCPDLCVVWVDAHADINTPLTTSSGNLHGQPVSFLLRELQD
KVPQLPGFSWIKPCISSASIVYIGLRDVDPPEHFILKNYDIQYFSMRDID
RLGIQKVMERTFDLLIGKRQRPIHLSFDIDAFDPTLAPATGTPVVGGLTY
REGMYIAEEIHNTGLLSALDLVEVNPQLATSEEEAKTTANLAVDVIASSF
GQTREG
Ligand information
Ligand ID38I
InChIInChI=1S/C20H30BCl2N2O5/c22-17-6-3-13(9-18(17)23)12-25-15-4-5-16(25)11-14(10-15)20(24,19(26)27)7-1-2-8-21(28,29)30/h3,6,9,14-16,28-30H,1-2,4-5,7-8,10-12,24H2,(H,26,27)/q-1/t14-,15+,16-,20-/m1/s1
InChIKeyKCKQBVVBSIZAMB-UIVXKWKOSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6[B-](CCCCC(C1CC2CCC(C1)N2Cc3ccc(c(c3)Cl)Cl)(C(=O)O)N)(O)(O)O
CACTVS 3.370N[C@](CCCC[B-](O)(O)O)(C1C[C@H]2CC[C@@H](C1)N2Cc3ccc(Cl)c(Cl)c3)C(O)=O
ACDLabs 12.01O=C(O)C(N)(C2CC3N(Cc1ccc(Cl)c(Cl)c1)C(C2)CC3)CCCC[B-](O)(O)O
OpenEye OEToolkits 1.7.6[B-](CCCC[C@@](C1C[C@H]2CC[C@@H](C1)N2Cc3ccc(c(c3)Cl)Cl)(C(=O)O)N)(O)(O)O
CACTVS 3.370N[C](CCCC[B-](O)(O)O)(C1C[CH]2CC[CH](C1)N2Cc3ccc(Cl)c(Cl)c3)C(O)=O
FormulaC20 H30 B Cl2 N2 O5
Name{(5R)-5-amino-5-carboxy-5-[(3-endo)-8-(3,4-dichlorobenzyl)-8-azabicyclo[3.2.1]oct-3-yl]pentyl}(trihydroxy)borate(1-)
ChEMBL
DrugBank
ZINCZINC000263620640
PDB chain4ixu Chain A Residue 406 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4ixu Synthesis of quaternary alpha-amino acid-based arginase inhibitors via the Ugi reaction.
Resolution1.9 Å
Binding residue
(original residue number in PDB)
D143 H145 D147 N149 S156 H160 G161 D202 D251
Binding residue
(residue number reindexed from 1)
D120 H122 D124 N126 S133 H137 G138 D179 D228
Annotation score1
Binding affinityMOAD: ic50=23nM
PDBbind-CN: -logKd/Ki=7.64,IC50=23nM
Enzymatic activity
Catalytic site (original residue number in PDB) H120 D143 H145 D147 H160 D251 D253 E296
Catalytic site (residue number reindexed from 1) H97 D120 H122 D124 H137 D228 D230 E273
Enzyme Commision number 3.5.3.1: arginase.
Gene Ontology
Molecular Function
GO:0004053 arginase activity
GO:0016813 hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amidines
GO:0046872 metal ion binding
Biological Process
GO:0006525 arginine metabolic process

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Molecular Function

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Biological Process
External links
PDB RCSB:4ixu, PDBe:4ixu, PDBj:4ixu
PDBsum4ixu
PubMed23886684
UniProtP78540|ARGI2_HUMAN Arginase-2, mitochondrial (Gene Name=ARG2)

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