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Receptor Information

>5ahj Chain H (length=222) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

TTIVGVKFNNGVVIAADTRSTQGPIVADKNCAKLHRISPKIWCAGAGTAA
DTEAVTQLIGSNIELHSLYTSREPRVVSALQMLKQHLFKYQGHIGAYLIV
AGVDPTGSHLFSIHAHGSTDVGYYLSLGSGSLAAMAVLESHWKQDLTKEE
AIKLASDAIQAGIWNDLGSGSNVDVCVMEIGKDAEYLRNYLTPNVREEKQ
KSYKFPRGTTAVLKESIVNICD

Ligand ID

7IM

InChI

InChI=1S/C29H46N4O10/c1-15(2)13-20(22(37)11-12-34)30-27(40)23(17(4)35)33-28(41)24(18(5)36)32-26(39)16(3)25(38)31-21(29(42)43)14-19-9-7-6-8-10-19/h6-10,15-18,20-24,34-37H,11-14H2,1-5H3,(H,30,40)(H,31,38)(H,32,39)(H,33,41)(H,42,43)/t16-,17+,18-,20+,21+,22+,23+,24+/m1/s1

InChIKey

AENNWPPXJYCTJY-JYDWQXCDSA-N

SMILES

Software	SMILES
OpenEye OEToolkits 1.7.6	CC(C)CC(C(CCO)O)NC(=O)C(C(C)O)NC(=O)C(C(C)O)NC(=O)C(C)C(=O)NC(Cc1ccccc1)C(=O)O
OpenEye OEToolkits 1.7.6	C[C@H]([C@@H](C(=O)N[C@@H]([C@H](C)O)C(=O)N[C@@H](CC(C)C)[C@H](CCO)O)NC(=O)[C@H](C)C(=O)N[C@@H](Cc1ccccc1)C(=O)O)O
CACTVS 3.385	CC(C)C[CH](NC(=O)[CH](NC(=O)[CH](NC(=O)[CH](C)C(=O)N[CH](Cc1ccccc1)C(O)=O)[CH](C)O)[CH](C)O)[CH](O)CCO
ACDLabs 12.01	O=C(NC(CC(C)C)C(O)CCO)C(NC(=O)C(NC(=O)C(C(=O)NC(C(=O)O)Cc1ccccc1)C)C(O)C)C(O)C
CACTVS 3.385	CC(C)C[C@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@H](C)C(=O)N[C@@H](Cc1ccccc1)C(O)=O)[C@@H](C)O)[C@H](C)O)[C@@H](O)CCO

Formula

C29 H46 N4 O10

Name

N-[(2S)-3-{[(1S)-1-carboxy-2-phenylethyl]amino}-2-methyl-3-oxopropanoyl]-L-threonyl-N-[(3S,4S)-1,3-dihydroxy-6-methylheptan-4-yl]-L-allothreoninamide;
Macyranone-A

PDB chain

5ahj Chain H Residue 1223 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

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PDB	5ahj Macyranones: Structure, Biosynthesis, and Binding Mode of an Unprecedented Epoxyketone that Targets the 20S Proteasome.
Resolution	2.8 Å
Binding residue (original residue number in PDB)	T1 T21 G47 A49
Binding residue (residue number reindexed from 1)	T1 T21 G47 A49
Annotation score	1
Binding affinity	PDBbind-CN: -logKd/Ki=8.23,IC50=5.9nM

Catalytic site (original residue number in PDB)	T1 D17 R19 K33 G47 S129 D166 S169
Catalytic site (residue number reindexed from 1)	T1 D17 R19 K33 G47 S129 D166 S169
Enzyme Commision number	3.4.25.1: proteasome endopeptidase complex.

	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

PDB	RCSB:5ahj, PDBe:5ahj, PDBj:5ahj
PDBsum	5ahj
PubMed	26050527
UniProt	P25043\|PSB2_YEAST Proteasome subunit beta type-2 (Gene Name=PUP1)

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Structure of PDB 5ahj Chain H Binding Site BS01