Structure of PDB 7o1a Chain BK Binding Site BS02

Receptor Information

>7o1a Chain BK (length=123) Species: 83333 (Escherichia coli K-12)

MIQEQTMLNVADNSGARRVMCIKVLGGSHRRYAGVGDIIKITIKEAIPRG
KVKKGDVLKAVVVRTKKGVRRPDGSVIRFDGNACVLLNNNSEQPIGTRIF
GPVTRELRSEKFMKIISLAPEVL

Ligand information

>7o1a Chain BA (length=2897)

gguuaagcgacuaagcguacacgguggaugcccuggcagucagaggcgau
gaaggacgugcuaaucugcgauaagcgucgguaaggugauaugaaccguu
auaaccggcgauuuccgaauggggaaacccaguguguuucgacacacuau
cauuaacugaauccauagguuaaugaggcgaaccgggggaacugaaacau
cuaaguaccccgaggaaaagaaaucaaccgagauucccccaguagcggcg
agcgaacggggagcagcccagagccugaaucaguguguguguuaguggaa
gcgucuggaaaggcgcgcgauacagggugacagccccguacacaaaaaug
cacaugcugugagcucgaugaguagggcgggacacgugguauccugucug
aauauggggggaccauccuccaaggcuaaauacuccugacugaccgauag
ugaaccaguaccgugagggaaaggcgaaaagaaccccggcgaggggagug
aaaaagaaccugaaaccguguacguacaagcagugggagcacgcuuaggc
gugugacugcguaccuuuuguauaaugggucagcgacuuauauucuguag
caagguuaaccgaauaggggagccgaagggaaaccgagucuuaacugggc
guuaaguugcaggguauagacccgaaacccggugaucuagccaugggcag
guugaagguuggguaacacuaacuggaggaccgaaccgacuaauguugaa
aaauuagcggaugacuuguggcugggggugaaaggccaaucaaaccggga
gauagcugguucuccccgaaagcuauuuagguagcgccucgugaauucau
cuccggggguagagcacuguuucggcaagggggucacuuaccaacccgau
gcaaacugcgaauaccggagaauguuaucacgggagacacacggcgggug
cuaacguccgucgugaagagggaaacaacccagaccgccagcuaaggucc
caaagucaugguuaagugggaaacgaugugggaaggcccagacagccagg
auguuggcuuagaagcagccaucauuuaaagaaagcguaauagcucacug
gucgagucggccugcgcggaagauguaacggggcuaaaccaugcaccgaa
gcugcggcagcgacgcuuaugcguuguuggguaggggagcguucuguaag
ccugcgaaggugugcugugaggcaugcuggagguaucagaagugcgaaug
cugacauaaguaacgauaaagcgggugaaaagcccgcucgccggaagacc
aaggguuccuguccaacguuaaucggggcagggugagucgaccccuaagg
cgaggccgaaaggcguagucgaugggaaacagguuaauauuccuguacuu
gguguuacugcgaaggggggacggagaaggcuauguuggccgggcgacgg
uugucccgguuuaagcguguaggcugguuuuccaggcaaauccggaaaau
caaggcugaggcgugaugacgaggcacuacggugcugaagcaacaaaugc
ccugcuuccaggaaaagccucuaagcaucagguaacaucaaaucguaccc
caaaccgacacagguggucagguagagaauaccaaggcgcuugagagaac
ucgggugaaggaacuaggcaaaauggugccguaacuucgggagaaggcac
gcugauauguaggugaggucccucgcggauggagcugaaaucagucgaag
auaccagcuggcugcaacuguuuauuaaaaacacagcacugugcaaacac
gaaaguggacguauacggugugacgccugcccggugccggaagguuaauu
gaugggguuagcgcaagcgaagcucuugaucgaagccccgguaaacggcg
gccguaacuauaacgguccuaagguagcgaaauuccuugucggguaaguu
ccgaccugcacgaauggcguaaugauggccaggcugucuccacccgagac
ucagugaaauugaacucgcugugaagaugcaguguacccgcggcaagacg
gaaagaccccgugaaccuuuacuauagcuugacacugaacauugagccuu
gauguguaggauaggugggaggcuuugaaguguggacgccagucugcaug
gagccgaccuugaaauaccacccuuuaauguuugauguucuaacguugac
ccguaauccggguugcggacagugucugguggguaguuugacuggggcgg
ucuccuccuaaagaguaacggaggagcacgaagguuggcuaauccugguc
ggacaucaggagguuagugcaauggcauaagccagcuugacugcgagcgu
gacggcgcgagcaggugcgaaagcaggucauagugauccggugguucuga
auggaagggccaucgcucaacggauaaaagguacuccggggauaacaggc
ugauaccgcccaagaguucauaucgacggcgguguuuggcaccucgaugu
cggcucaucacauccuggggcugaaguaggucccaaggguauggcuguuc
gccauuuaaagugguacgcgagcuggguuuagaacgucgugagacaguuc
ggucccuaucugccgugggcgcuggagaacugaggggggcugcuccuagu
acgagaggaccggaguggacgcaucacugguguucggguugucaugccaa
uggcacugcccgguagcuaaaugcggaagagauaagugcugaaagcaucu
aagcacgaaacuugccccgagaugaguucucccugacccuuuaagggucc
ugaaggaacguugaagacgacgacguugauaggccggguguguaagcgca
gcgaugcguugagcuaaccgguacuaaugaaccgugaggcuuaaccu

<<<<<<<<......<<<<<<<<<<<.....[[..[[<<<<<<<[[<<...
...<<<<<<.[..(((.>>>.....<<<<<<<..<<<)))..].>>>...
...>>>>>>>...>>>....<<<....>>><<<<<<<<..>>>>>>>>.<
<<<<<<<<.........>>>>>>>>>.>>...<<<<<<.....<<....>
>......>>>>>.>.........<<....>>..<<<<<<.....<<....
.>>....>>>>>>..(((..<<<<....<.<<<<<<<<<<<<<.<<<...
<<<<<......>>>>>((......<<<.....))>>>...>>>...>>>>
>>>>>>>>>>..>>>>........<<<<<<<<.........>>>>>>>>.
.....<<<<<..<<<<>>>>>..)))......]].>>>>>>>.]].....
..........<<....>>....]].........<<<<.....>>>>....
..............>>>>>>>>>>>.......<<<<..<<<<<<....>>
>>>>..>>>>...<.<........>.>.<<<<<<....<<<<<<<<<<<<
<..<<<...<<.....>>...>>>...<<....>>..<<<<.....>>>>
.....>>>>>>>>>>>>>..<<.<...<<<<<<.....<<<<<<<<<..<
<<<...<<<<<<......>>>>>>.>...>>>...<<<.<<<<<......
..>>>>>>>>....>>>>>>>>>...<<<.....>>>......>>>>>>.
.....>.>>..<<<<<<....<<<<<....>>>>>.<<<<<<<<...<<<
<<<<<<.....<<<...<<<.<<<<...<<<<.....>>.>>...>>>>.
>>>..>>.>.....>>>>>>.>>>...>>>>>>>.>...<<<<<<<<<<.
.....>>>>>>>>>>....<<<......>>>...<<<<.<<<...<<<((
(.....<<<<<<...........<<..<<<<<..<<........<<<<<.
<<<..<<<<.......>>>>..>>>........<<<......>>>..>>>
>>....>>..>>>>>.>>...........))).....>>>>>>.>>>...
>>>>>>><<<<<<<<......>>>>>>>>....>>>>>><.<<<<<...<
<<......<<<<<<<<....>>>>>>>>...>>>..>>>>>..>.....>
>>>>><......<<.....<<<<<<.......>>>>>><<<<....<<<<
<.<<...<<<<<<...<<.....>>.>>>>>>....((<<<.<<<...<<
<...<<<....>>>...>>>...>>>..<<<<<........>>>>>))<<
<<<<<<<<<<<...<<<<....<<<<..<<<..<<<<<<<<<<<....((
(...>>>>>><<..<<<<...<<<<<<<<<<<<.<<.....>>>>>>>>>
>..>>>>...>>>>...>><..<<<<<....>>>>>...>>>>>>...>>
>...>>>>.........>>>>...>>....>>>>>>>>>>>.>>>..>>.
....<<......>>>>>>>.<<<<.....>>>>..>>>>..<<<<....<
<<<<<<<.<<.........<.....<<<<<.....<..>......>>>>>
<<<<<<.....<<<...<<<<.....>>>>...>>>...>>>>>>.....
.......<<<<<<<<<..<<<.........>>>..<<<<<<<.....<<<
....>>>.......>>>>>>>.<<<<<.<<<..<<<<<<<..<<<<...<
...<<<<<<.<<....>>..>>>>>>..>....>>>>>>>>>..>>>>><
<<<<<.......>>>>>>........<...........<<<<<<.....>
>>>>>.....>....>>>>>..>>.>>>>>>>..>..>>.>>>>>>>>.>
>>>>>.....>.....<<<<<........>>>>>..<<<<<<<<.(((.[
[......<<<<.[[<<<<..<<<<<.<<<.<<<<<.<<<<<<<<<<<.<<
<<...........<<<<<..<<<......<<<<<<<<....>>>>>>>>.
..>>>............>>>>>..>>>>.>>>>>>>>>>>...<<<.<<<
<<<.....>>>>>>>>>....>>>>>.>>>..>>>>>..<<<<.....>>
>><<<<<<...........>>>>>>..<<...<<<<<<<...<<<<<<..
.....>>>>>>.....<<...(((>>....>>>>>>>...<<<<..<<<<
....>>>>..>>>>.<<<....>>>.>>))).......<<<<<<<.((..
>>>>..))>>>>>>>.............>>>>..]]>>>>.......<<<
<...<<<<<<...<<.......>>...>>>>>>....>>>.>.......<
<<<<.<<<<<<..<<<<<<<<<......>>>>>>..>>>.<<<<<.....
>>>>>.....>>>>>..>...>>>.>>....<<<<<<<....>>>.>>>>
....]]..)))>>>>>>>>....<<<<<<<...<<<<..<<<<<<<....
...........>>>>>>>.<<<<<...<<<<...<<<<<<<<<<<))).>
>>>>>..>>>>>...>>>>.>>>>>...<<<....<<<<<..........
.>>>>>....>>>.>>>>.......>>>>>>>..<<<<<.....>>>>><
....<<..<<<<<.......>>>>>....<<<<<<<<..<<....<<<<<
....>>>>>...>>...>>>>>.>>>.....>>..>..>>>>>>>>.

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7o1a Structural basis for the tryptophan sensitivity of TnaC-mediated ribosome stalling.
• Resolution: 2.4 Å
• Binding residue (original residue number in PDB): M1 Q3 Q5 T6 M7 I22 K23 L25 S28 H29 R31 Y32 K40 K44 K54 K66 K67 R70 V76
• Binding residue (residue number reindexed from 1): M1 Q3 Q5 T6 M7 I22 K23 L25 S28 H29 R31 Y32 K40 K44 K54 K66 K67 R70 V76

Gene Ontology

Molecular Function

• GO:0003735 structural constituent of ribosome
• GO:0005515 protein binding
• GO:0019843 rRNA binding
• GO:0070180 large ribosomal subunit rRNA binding

Biological Process

• GO:0002181 cytoplasmic translation
• GO:0006412 translation

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0005840 ribosome
• GO:0015934 large ribosomal subunit
• GO:0022625 cytosolic large ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:7o1a, PDBe:7o1a, PDBj:7o1a
• PDBsum: 7o1a
• PubMed: 34504068
• UniProt: P0ADY3|RL14_ECOLI Large ribosomal subunit protein uL14 (Gene Name=rplN)