Structure of PDB 1ph1 Chain A Binding Site BS01

Receptor Information

>1ph1 Chain A (length=456) Species: 200597 (Sterkiella nova)

KYEYVELAKASLTSAQPQHFYAVVIDATFPYKTNQERYICSLKIVDPTLY
LKQDASDYATLVLYAKRFEDLPIIHRAGDIIRVHRATLRLYNGQRQFNAN
VFYSSSWALFSTDKRSVTQEINNQDAVSDTTPFSFSSKHATIEKNEISIL
QNLRKWANQYFSSYSVISSDMYTALNKAQAQKGDFDVVAKILQVHELDEY
TNELKLKDASGQVFYTLSLKLKFPHVRTGEVVRIRSATYDETSTQKKVLI
LSHYSNIITFIQSSKLAKELRAKIQDDHSVEVASLKKNVSLNAVVLTEVD
KKHAALPSTSLQDLFHHADSDKELQAQDTFRTQFYVTKIEPSDVKEWVKG
YDRKTKKSSSLKGASGKGDNIFQVQFLVKDASTQLNNNTYRVLLYTQDGL
GANFFNVKADNLHKNADARKKLEDSAELLTKFNSYVDAVVERRNGFYLIK
DTKLIY

Ligand information

>1ph1 Chain G (length=13)

ggggttttggggt

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1ph1 Nucleotide Shuffling and Ssdna Recognition in Oxytricha Nova Telomere End-Binding Protein Complexes
• Resolution: 2.51 Å
• Binding residue (original residue number in PDB): K105 N139 F141 Y142
• Binding residue (residue number reindexed from 1): K66 N100 F102 Y103

Gene Ontology

Molecular Function

• GO:0003677 DNA binding
• GO:0005515 protein binding
• GO:0010521 telomerase inhibitor activity
• GO:0043047 single-stranded telomeric DNA binding
• GO:0098505 G-rich strand telomeric DNA binding

Biological Process

• GO:0000723 telomere maintenance
• GO:0016233 telomere capping
• GO:0032210 regulation of telomere maintenance via telomerase

Cellular Component

• GO:0000781 chromosome, telomeric region
• GO:0000782 telomere cap complex
• GO:0000783 nuclear telomere cap complex
• GO:0005634 nucleus
• GO:0005694 chromosome
• GO:0032991 protein-containing complex

External links

• PDB: RCSB:1ph1, PDBe:1ph1, PDBj:1ph1
• PDBsum: 1ph1
• PubMed: 12912928
• UniProt: P29549|TEBA_STENO Telomere-binding protein subunit alpha (Gene Name=MAC-56A)