Structure of PDB 4aid Chain A Binding Site BS01

Receptor Information
>4aid Chain A (length=573) Species: 190650 (Caulobacter vibrioides CB15) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QDPMFDIKRKTIEWGGKTLVLETGRIARQADGAVLATMGETVVLATAVFA
KSQKPGQDFFPLTVNYQEKTFAAGKIPGGFFKREGRPSEKETLVSRLIDR
PIRPLFVKGFKNEVQVVVTVLQHDLENDPDILGMVAASAALCLSGAPFMG
PIGAARVGWVDGAYVLNPTLDEMKESKMDLVVAGTADAVMMVESEIQELS
EEIVLGGVNFAHQQMQAVIDAIIDLAEHAAKEPFAFEPEDTDAIKAKMKD
LVGADIAAAYKIQKKQDRYEAVGAAKKKAIAALGLSDENPTGYDPLKLGA
IFKELEADVVRRGILDTGLRIDGRDVKTVRPILGEVGILPRTHGSALFTR
GETQAIVVATLGTGDDEQFIDALEGTYKESFLLHYNFPPYSVGETGRMGS
PGRREIGHGKLAWRALRPMLPTKEDFPYTIRLVSEITESNGSSSMATVCG
SSLAMMDAGVPLVRPVSGIAMGLILEQDGFAVLSDILGDEDHLGDMDFKV
AGTSEGLTSLQMDIKIAGITPAIMEQALAQAKEGRAHILGEMNKAMDAPR
ADVGDFAPKSASDGAKIKAAIDW
Ligand information
>4aid Chain F (length=7) Species: 190650 (Caulobacter vibrioides CB15) [Search peptide sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
PRRGWWR
Receptor-Ligand Complex Structure
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PDB4aid Crystal Structure of Caulobacter Crescentus Polynucleotide Phosphorylase Reveals a Mechanism of RNA Substrate Channelling and RNA Degradosome Assembly.
Resolution2.6 Å
Binding residue
(original residue number in PDB)
V104 P144 G147 I220 A223 E224 H225 A227 P230 F231
Binding residue
(residue number reindexed from 1)
V107 P147 G150 I223 A226 E227 H228 A230 P233 F234
Enzymatic activity
Enzyme Commision number 2.7.7.8: polyribonucleotide nucleotidyltransferase.
Gene Ontology
Molecular Function
GO:0000175 3'-5'-RNA exonuclease activity
GO:0000287 magnesium ion binding
GO:0003676 nucleic acid binding
GO:0003723 RNA binding
GO:0004654 polyribonucleotide nucleotidyltransferase activity
GO:0016779 nucleotidyltransferase activity
GO:0046872 metal ion binding
Biological Process
GO:0006396 RNA processing
GO:0006401 RNA catabolic process
GO:0006402 mRNA catabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:4aid, PDBe:4aid, PDBj:4aid
PDBsum4aid
PubMed22724061
UniProtQ9AC32|PNP_CAUVC Polyribonucleotide nucleotidyltransferase (Gene Name=pnp)

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