Structure of PDB 7ld5 Chain C Binding Site BS01

Receptor Information
>7ld5 Chain C (length=587) Species: 1772 (Mycolicibacterium smegmatis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DGVYESTAVIDNGSFGTRTIRFETGRLAQQAAGSAVAYLDDETMLLSATT
ASKNPKDHFDFFPLTVDVEERMYAAGRIPGSFFRREGRPSTDAILTCRLI
DRPLRPSFVDGLRNEIQVVVTVMSLDPKDLYDVLAINAASMSTQLAGLPF
SGPVGGARIALIDGTWVAFPTVEQLERAVFDMVVAGRIVGDGDSADVAIM
MVEAEATENVVELVAGGAQAPTEAVVAEGLEAAKPFIKALCAAQQELADR
AAKPAGEYPVFPDYEADVYDAVASVATEALAEALTIAGKTERNDRTDEIK
VEVLERLAEPYAGREKEIGAAFRSLTKKLVRQRILTDHFRIDGRGITDIR
ALSAEVAVIPRAHGSALFERGETQILGVTTLDMIKMAQQIDSLGPENTKR
YMHHYNFPPYSTGETGRVGSPKRREIGHGALAERALVPVLPSIEEFPYAI
RQVSEALGSNGSTSMGSVCASTLALLNAGVPLKAPVAGIAMGLVSDDVDV
DGKVEKRYVALTDILGAEDAFGDMDFKVAGTKDFVTALQLDTKLDGIPSQ
VLAGALSQAKDARLTILDVMAEAIDRPDEMSPYAPRI
Ligand information
Receptor-Ligand Complex Structure
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PDB7ld5 Structure and mechanism of Mycobacterium smegmatis polynucleotide phosphorylase.
Resolution3.07 Å
Binding residue
(original residue number in PDB)
F66 F68 L71 F89 R105 R112 R430 R431
Binding residue
(residue number reindexed from 1)
F59 F61 L64 F82 R98 R105 R423 R424
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:7ld5, PDBe:7ld5, PDBj:7ld5
PDBsum7ld5
PubMed34088850
UniProtA0QVQ5|PNP_MYCS2 Polyribonucleotide nucleotidyltransferase (Gene Name=pnp)

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