Structure of PDB 1xnq Chain R Binding Site BS01

Receptor Information
>1xnq Chain R (length=73) Species: 274 (Thermus thermophilus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PSRKAKVKATLGEFDLRDYRNVEVLKRFLSETGKILPRRRTGLSGKEQRI
LAKTIKRARILGLLPFTEKLVRK
Ligand information
>1xnq Chain A (length=1507) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
uggagaguuugauccuggcucagggugaacgcuggcggcgugccuaagac
augcaagucgugcgggccgcgggguuuuacuccguggucagcggcggacg
ggugaguaacgcgugggugaccuacccggaagagggggacaacccgggga
aacucgggcuaaucccccauguggacccgccccuugggguguguccaaag
ggcuuugcccgcuuccggaugggcccgcgucccaucagcuaguugguggg
guaauggcccaccaaggcgacgacggguagccggucugagaggauggccg
gccacaggggcacugagacacgggccccacuccuacgggaggcagcaguu
aggaaucuuccgcaaugggcgcaagccugacggagcgacgccgcuuggag
gaagaagcccuucgggguguaaacuccugaacccgggacgaaacccccga
cgaggggacugacgguaccgggguaauagcgccggccaacuccgugccag
cagccgcgguaauacggagggcgcgagcguuacccggauucacugggcgu
aaagggcguguaggcggccuggggcgucccaugugaaagaccacggcuca
accgugggggagcgugggauacgcucaggcuagacggugggagagggugg
uggaauucccggaguagcggugaaaugcgcagauaccgggaggaacgccg
auggcgaaggcagccaccugguccacccgugacgcugaggcgcgaaagcg
uggggagcaaaccggauuagauacccggguaguccacgcccuaaacgaug
cgcgcuaggucucugggucuccugggggccgaagcuaacgcguuaagcgc
gccgccuggggaguacggccgcaaggcugaaacucaaaggaauugacggg
ggcccgcacaagcgguggagcaugugguuuaauucgaagcaacgcgaaga
accuuaccaggccuugacaugcuaggaacccgggugaaagccuggggugc
cccggggagcccuagcacaggugcugcauggccgucgucagcucgugccg
ugagguguuggguuaagucccgcaacgagcgcaacccccgccguuaguug
ccagcgguucggccgggcacucuaacgggacugcccgcgaaagcgggagg
aaggaggggacgacgucuggucagcauggcccuuacggccugggcgacac
acgugcuacaaugcccacuacaaagcgaugccacccggcaacggggagcu
aaucgcaaaaaggugggcccaguucggauuggggucugcaacccgacccc
augaagccggaaucgcuaguaaucgcggaucagcaugccgcggugaauac
guucccgggccuuguacacaccgcccgucacgccaugggagcgggcucua
cccgaagucgccgggagccuacgggcaggcgccgaggguagggcccguga
cuggggcgaagucguaacaagguagcuguaccggaaggugcggcuggauc
acuuucu
....<<<<..[.((((.>>>>.<<<<.<<<<<..<<<<<<<<..<..<<<
.<<<..<<<..<<.<<<<<<<<<<.....>>>>>>>>>>.>>>>>.....
.<<.......<<<<<<<<..<<...<<<<<<<.<<<<<....<<<<<...
...>>>>>.....>>>>>...<<<<<.<<<<<....>>>>>.>>>>>..<
<<<...>>>>.>>>>>>>..>>>>>>>>>><<<....<<<..<<<<<<<<
.......>>>>>>>>>>>......>>>..<<<<<<<<....>>>>...>>
>>.>>.<<<<<.<.........>>>>>>.<<<<....>>>>...>>>>>>
>........<<<....<<<<....>>>>..>>>..>>.>>>>>>......
...............................<<<<<......<.......
.........>.......>>>>>......<<<<<(((...<<<<<.....<
<.)))>>.......>>>>>>>>>>..>>>>>>>>>..........<<<((
.....<<<<...<<<.<<<<<<<.<<<<<<<<<<......<<<<<<....
.>>>>>>....>>>>>>>>..>>>>>>>>>...<<<<<<<<...<<<<<<
<....<<<<<<<.<..<<<......>>>.....>.>>>>>>>........
...<<....>>.>>>>>>>..>>>>>.>>>...>>>...>>>>....<<<
<<<...<<...<<<<.<.....>.>>>>...>>>>>>>>..........<
<<<<<..<<<<<<<<<<...>>>>>>>>>>...<<..))>>.....>>>>
>>.>>>.<<<......<<<<....>>>>....>>>..)))).]<<<<<.<
<<<<<<.<<.<<<<<<..<<<<<<<<<<......<<........>>....
......<<<<<<<......<<<<<<<..<<<<<<<....>>>>>>>...<
<<..>>>...>>>>>>>.<<<.<<<..<<<<<<.......<<<<<<<<<.
...>>>..<<<<......>>>>..>>>>>>.....<<<<.<<<<<<<...
<...<<<.....>>>>.....>>>>>>>.....<<<<<....>>>>>...
.....>>>>.........>>>...>>>>>>>>>...>>>>>>>...>>.>
>>>>>>>.....<<<<<<<.....<<<..<<..<<<<....>>>>..>>.
...>>>.....>>>>>>>......<....<<<<<<<........>>>>>>
>....>.....>>>>>>....<<<<<<<.........>>>>>>>......
>>...>>>>>>>>>>.>>....<..<<.<.<<<<.<<<..<<<<<<<<<<
<<<...<.<<<<....<<<....>>>.>>>>.>..>>>>>>>>>>>>>..
>>>.>>>>..>.>>...>.....<<<<<<<<<....>>>>>>>>>.....
.......
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1xnq Structure of a purine-purine wobble base pair in the decoding center of the ribosome.
Resolution3.05 Å
Binding residue
(original residue number in PDB)		K49 I50 K61 Q63 R64 K68 K71 R72 R74 I75 F81
Binding residue
(residue number reindexed from 1)		K34 I35 K46 Q48 R49 K53 K56 R57 R59 I60 F66
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003735 structural constituent of ribosome
GO:0019843 rRNA binding
GO:0070181 small ribosomal subunit rRNA binding
Biological Process
GO:0006412 translation
Cellular Component
GO:0005840 ribosome
GO:1990904 ribonucleoprotein complex

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1xnq, PDBe:1xnq, PDBj:1xnq
PDBsum1xnq
PubMed15558050
UniProtQ5SLQ0|RS18_THET8 Small ribosomal subunit protein bS18 (Gene Name=rpsR)

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