Structure of PDB 1j2q Chain K

Receptor sequence
>1j2qK (length=202) Species: 2234 (Archaeoglobus fulgidus) [Search protein sequence]
TTTVGLVCKDGVVMATEKRATMGNFIASKAAKKIYQIADRMAMTTAGSVG
DAQFLARIIKIEANLYEIRRERKPTVRAIATLTSNLLNSYRYFPYLVQLL
IGGIDSEGKSIYSIDPIGGAIEEKDIVATGSGSLTAYGVLEDRFTPEIGV
DEAVELAVRAIYSAMKRDSASGDGIDVVKITEDEFYQYSPEEVEQILAKF
RK
3D structure
PDB1j2q Investigations on the Maturation and Regulation of Archaebacterial Proteasomes
ChainK
Resolution2.83 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) T1 E17 R19 K33 G47 S129 D166 S169
Catalytic site (residue number reindexed from 1) T1 E17 R19 K33 G47 S131 D168 S171
Enzyme Commision number 3.4.25.1: proteasome endopeptidase complex.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CIB K T1 T21 K33 T45 G47 S48 V49 T1 T21 K33 T45 G47 S48 V49
Gene Ontology
Molecular Function
GO:0004175 endopeptidase activity
GO:0004298 threonine-type endopeptidase activity
GO:0005515 protein binding
Biological Process
GO:0006508 proteolysis
GO:0010498 proteasomal protein catabolic process
GO:0051603 proteolysis involved in protein catabolic process
Cellular Component
GO:0000502 proteasome complex
GO:0005737 cytoplasm
GO:0005839 proteasome core complex
GO:0019774 proteasome core complex, beta-subunit complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1j2q, PDBe:1j2q, PDBj:1j2q
PDBsum1j2q
PubMed12614609
UniProtQ9P996|PSB_ARCFU Proteasome subunit beta (Gene Name=psmB)

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