Structure of PDB 3un4 Chain K Binding Site BS01

Receptor Information
>3un4 Chain K (length=212) Species: 559292 (Saccharomyces cerevisiae S288C) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TTTLAFRFQGGIIVAVDSRATAGNWVASQTVKKVIEINPFLLGTMAGGAA
DCQFWETWLGSQCRLHELREKERISVAAASKILSNLVYQYKGAGLSMGTM
ICGYTRKEGPTIYYVDSDGTRLKGDIFCVGSGQTFAYGVLDSNYKWDLSV
EDALYLGKRSILAAAHRDAYSGGSVNLYHVTEDGWIYHGNHDVGELFWKV
KEEEGSFNNVIG
Ligand information
Ligand ID04C
InChIInChI=1S/C31H44N4O7/c1-21(20-36)29(38)26(17-23-7-5-4-6-8-23)33-31(40)27(18-24-9-11-25(41-3)12-10-24)34-30(39)22(2)32-28(37)19-35-13-15-42-16-14-35/h4-12,21-22,26-27,29,36,38H,13-20H2,1-3H3,(H,32,37)(H,33,40)(H,34,39)/t21-,22+,26+,27+,29+/m1/s1
InChIKeySLVOSRJOLWNALP-QAKIEGLASA-N
SMILES
SoftwareSMILES
CACTVS 3.370COc1ccc(C[CH](NC(=O)[CH](C)NC(=O)CN2CCOCC2)C(=O)N[CH](Cc3ccccc3)[CH](O)[CH](C)CO)cc1
CACTVS 3.370COc1ccc(C[C@H](NC(=O)[C@H](C)NC(=O)CN2CCOCC2)C(=O)N[C@@H](Cc3ccccc3)[C@@H](O)[C@H](C)CO)cc1
ACDLabs 12.01O=C(NC(C(=O)NC(C(=O)NC(Cc1ccccc1)C(O)C(C)CO)Cc2ccc(OC)cc2)C)CN3CCOCC3
OpenEye OEToolkits 1.7.6CC(CO)C(C(Cc1ccccc1)NC(=O)C(Cc2ccc(cc2)OC)NC(=O)C(C)NC(=O)CN3CCOCC3)O
OpenEye OEToolkits 1.7.6C[C@H](CO)[C@@H]([C@H](Cc1ccccc1)NC(=O)[C@H](Cc2ccc(cc2)OC)NC(=O)[C@H](C)NC(=O)CN3CCOCC3)O
FormulaC31 H44 N4 O7
Name1,2,4-trideoxy-4-methyl-2-{[N-(morpholin-4-ylacetyl)-L-alanyl-O-methyl-L-tyrosyl]amino}-1-phenyl-D-xylitol
ChEMBL
DrugBank
ZINCZINC000098207759
PDB chain3un4 Chain K Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3un4 Immuno- and constitutive proteasome crystal structures reveal differences in substrate and inhibitor specificity.
Resolution3.4 Å
Binding residue
(original residue number in PDB)		T1 R19 A20 T21 V31 K33 M45 G47 G48 A49 Y170
Binding residue
(residue number reindexed from 1)		T1 R19 A20 T21 V31 K33 M45 G47 G48 A49 Y170
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) T1 D17 R19 K33 G47 S131 D168 S171
Catalytic site (residue number reindexed from 1) T1 D17 R19 K33 G47 S131 D168 S171
Enzyme Commision number 3.4.25.1: proteasome endopeptidase complex.
Gene Ontology
Molecular Function
GO:0004298 threonine-type endopeptidase activity
Biological Process
GO:0051603 proteolysis involved in protein catabolic process
Cellular Component
GO:0005839 proteasome core complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3un4, PDBe:3un4, PDBj:3un4
PDBsum3un4
PubMed22341445
UniProtP30656|PSB5_YEAST Proteasome subunit beta type-5 (Gene Name=PRE2)

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