Structure of PDB 4am3 Chain A Binding Site BS01

Receptor Information
>4am3 Chain A (length=622) Species: 190650 (Caulobacter vibrioides CB15) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GSMFDIKRKTIEWGGKTLVLETGRIARQADGAVLATMGETVVLATAVFAK
SQKPGQDFFPLTVNYQEKTFAAGKIPGGFFKREGRPSEKETLVSRLIDRP
IRPLFVKGFKNEVQVVVTVLQHDLENDPDILGMVAASAALCLSGAPFMGP
IGAARVGWVDGAYVLNPTLDEMKESKMDLVVAGTADAVMMVESEIQELSE
EIVLGGVNFAHQQMQAVIDAIIDLAEHAAKEPFAFEPEDTDAIKAKMKDL
VGADIAAAYKIQKKQDRYEAVGAAKKKAIAALGLSDENPTGYDPLKLGAI
FKELEADVVRRGILDTGLRIDGRDVKTVRPILGEVGILPRTHGSALFTRG
ETQAIVVATLGTGDDEQFIDALEGTYKESFLLHYNFPPYSVGETGRMGSP
GRREIGHGKLAWRALRPMLPTKEDFPYTIRLVSEITESNGSSSMATVCGS
SLAMMDAGVPLVRPVSGIAMGLILEQDGFAVLSDILGDEDHLGDMDFKVA
GTSEGLTSLQMDIKIAGITPAIMEQALAQAKEGRAHILGEMNKAMDAPRA
DVGDFAPKIETINIPTDKIREVIGSGGKVIREIVATTGAKVDINDDGVVK
VSASDGAKIKAAIDWIKSITDE
Ligand information
Receptor-Ligand Complex Structure
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PDB4am3 Crystal Structure of Caulobacter Crescentus Polynucleotide Phosphorylase Reveals a Mechanism of RNA Substrate Channelling and RNA Degradosome Assembly.
Resolution3.0 Å
Binding residue
(original residue number in PDB)		G396 S397
Binding residue
(residue number reindexed from 1)		G398 S399
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:4am3, PDBe:4am3, PDBj:4am3
PDBsum4am3
PubMed22724061
UniProtQ9AC32|PNP_CAUVC Polyribonucleotide nucleotidyltransferase (Gene Name=pnp)

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