Structure of PDB 3lbf Chain B

Receptor sequence
>3lbfB (length=207) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
VSRRVQALLDQLRAQGIQDEQVLNALAAVPREKFVDEAFEQKAWDNIALP
IGQGQTISQPYMVARMTELLELTPQSRVLEIGTGSGYQTAILAHLVQHVC
SVERIKGLQWQARRRLKNLDLHNVSTRHGDGWQGWQARAPFDAIIVTAAP
PEIPTALMTQLDEGGILVLPVGEEHQYLKRVRRRGGEFIIDTVEAVRFVP
LVKGELA
3D structure
PDB3lbf Crystal structure of the protein L-isoaspartyl methyltransferase from Escherichia coli
ChainB
Resolution1.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) S59
Catalytic site (residue number reindexed from 1) S58
Enzyme Commision number 2.1.1.77: protein-L-isoaspartate(D-aspartate) O-methyltransferase.
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 SAH B Q56 T57 G83 T84 G85 S86 Y88 E104 R105 I106 G130 D131 G132 T148 L202 V203 Q55 T56 G82 T83 G84 S85 Y87 E103 R104 I105 G129 D130 G131 T147 L201 V202
Gene Ontology
Molecular Function
GO:0004719 protein-L-isoaspartate (D-aspartate) O-methyltransferase activity
GO:0008168 methyltransferase activity
Biological Process
GO:0030091 protein repair
GO:0032259 methylation
GO:0036211 protein modification process
Cellular Component
GO:0005737 cytoplasm

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:3lbf, PDBe:3lbf, PDBj:3lbf
PDBsum3lbf
PubMed20857228
UniProtP0A7A5|PIMT_ECOLI Protein-L-isoaspartate O-methyltransferase (Gene Name=pcm)

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