Structure of PDB 7qwr Chain X Binding Site BS01

Receptor Information

>7qwr Chain X (length=119) Species: 9986 (Oryctolagus cuniculus)

KKIRTSPTFRRPKTLRLRRQPKYPRKSAPRRNKLDHYAIIKFPLTTESAM
KKIEDNNTLVFIVDVKANKHQIKQAVKKLYDIDVAKVNTLIRPDGEKKAY
VRLAPDYDALDVANKIGII

Ligand information

>7qwr Chain 5 (length=3493)

cgcgaccucagaucagacguggcgacccgcugaauuuaagcauauuaguc
agcggaggagaagaaacuaaccaggauucccucaguaacggcgagugaac
agggaagagcccagcgccgaauccccgccccgcggcggggcgcgggacau
guggcguacggaagacccgcuccccggcgccgcucguggggggcccaagu
ccuucugaucgaggcccagcccguggacggugugaggccgguagcggccc
ccggcgcgccgggcccgggucuucccggagucggguugcuugggaaugca
gcccaaagcgggugguaaacuccaucuaaggcuaaauaccggcacgagac
cgauagucaacaaguaccguaagggaaaguugaaaagaacuuugaagaga
gaguucaagagggcgugaaaccguuaagagguaaacgggugggguccgcg
caguccgcccgguucaacccggcggcggguccggccgugucggcgggucc
cccgaccggcgaccggccgccgccgggcgcauuuccaccgcggcggugcg
ccgcgaccggcuccgggacggcugggaaggcccggcggggaagguggcuc
ggccgaguguuacagcccccccggcagcagcacucgccgaaucccggggc
cgagggagcgagacccgucgccgcgcucuccccccucgggggggccgggc
caccccucccacggcgcgaccgcucggggcggacuguccccagugcgccc
cgggcgggucgcgccgucgggcccgggggaggggccacgcggcgagcgca
cggggucggcggcgacgucggcuacccacccgacccgucuugaaacacgg
accaaggagucuaacacgugcgcgagucgggggcucgcacgaaagccgcc
guggcgcaaugaaggugaaggccggcgcgcucgccggccgaggugggauc
ccgaggccucuccaguccgccgagggcgcaccaccggcccgucucgcccg
ccgcgccggggagguggagcacgagcgcacguguuaggacccgaaagaug
gugaacuaugccugggcagggcgaagccagaggaaacucugguggagguc
cguagcgguccugacgugcaaaucggucguccgaccuggguauaggggcg
aaagacuaaucgaaccaucuaguagcugguucccuccgaaguuucccuca
ggauagcuggcgcucucgcacacgcaguuuuauccgguaaagcgaaugau
uagaggucuuggggccgaaacgaucucaaccuauucucaaacuuuaaaug
gguaagaagcccggcucgcuggcgugagccgggcguggaauggagugccu
agugggccacuuuugguaagcagaacuggcgcugcgggaugaaccgaacg
ccggguuaaggcgcccgaugccgacgcucaucagaccccagaaaaggugu
ugguugauauagagccgaaucaacuagcccugaaaauggauggcgcugga
gcgucgggcccauacccggccgucgccggcagucgagaguggacgggagc
ccgcccccggagccccgcggacgcuacgccgcgacgaguaggagggccgc
ugcggugagccuugaagccuagggcgcgggcccggguggagccgccgcag
gugcagaucuuggugguaguagcaaauauucaaacgagaacuuugaaggc
cgaaguggagaaggguuccaugugaacagcaguugaacaugggucagucg
guccugagagaugggcgagcgccguuccgaagggacgggcgauggccucc
guugcccucggccgaucgaaagggagucggguucagauccccgaauccgg
aguggcggagaugggcgccgcgaggcguccagugcgguaacgcgaccgau
cccggagaagccggcgggagccccggggagaguucucuuuucuuugugaa
gggcagggcgcccuggaauggguucgccccgagagaggggcccgugccuu
ggaaagcgucgcgguuccggcggcguccggugagcucucgcuggcccuug
aaaauccgggggagaggguguaaaucucgcgccgggccguacccauaucc
gcagcaggucuccaaggugaacagccucuggcauguuggaacaauguagg
uaagggaagucggcaagccggauccguaacuucgggauaaggauuggcuc
uaagggcugggucggucgucggccggcgccuagcagccgacuuagaacug
gugcggaccaggggaauccgacuguuuaauuaaaacaaagcaucgcgaag
gcccgcggcggguguugacgcgaugugauuucugcccagugcucugaaug
ucaaagugaagaaauucaaugaagcgcggguaaacggcgggaguaacuau
gacucucuuaagguagccaaaugccucgucaucuaauuagugacgcgcau
gaauggaugaacgagauucccacugucccuaccuacuauccagcgaaacc
acagccaagggaacgggcuuggcggaaucagcggggaaagaagacccugu
ugagcuugacucuagucuggcacggugaagagacauguuuuuucacugac
ccggugaggcgggggggcgcucgcuucuggcgccaagcgcccggccgcgc
gccggccgggcgcgacccgcuccggggacagugccagguggggaguuuga
cuggggcgguacaccugucaaacgguaacgcagguguccuaaggcgagcu
cagggaggacagaaaccucccguggagcagaagggcaaaagcucgcuuga
ucuugauuuucaguacgaauacagaccgugaaagcggggccucacgaucc
uucugaccuuuuggguuuuaagcaggaggugucagaaaaguuaccacagg
gauaacuggcuuguggcggccaagcguucauagcgacgucgcuuuuugau
ccuucgaugucggcucuuccuaucauugugaagcagaauucaccaagcgu
uggauuguucacccacuaauagggaacgugagcuggguuuagaccgucgu
gagacagguuaguuuuacccuacugaugauguguuguugccaugguaauc
cugcucaguacgagaggaaccgcagguucagacauuugguguaugugcuu
ggcugaggagccaauggggcgaagcuaccaucugugggauuaugacugaa
cgccucuaagucagaaucccgcccaggcggaacgauacggcagcgccgcg
gagccucgguuggccucggauagccggucccccgcgggguccggugcgga
gugcccuucguccugggaaacggggcgcggccggagaggcggccgccccc
ucgcccgucacgcacgccguucguggggaaccuggcgcuaaaccauucgu
agacgaccugcuucugggucgggguuucguacguagcagagcagcucccu
cgcugcgaucuauugaaagucagcccucgacacaaggguuugu

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7qwr Mechanism of signal sequence handover from NAC to SRP on ribosomes during ER-protein targeting.
• Resolution: 2.9 Å
• Binding residue (original residue number in PDB): K38 P44 T45 R47 R48 K50 T51 L52 R53 R56 Q57 Y60 T83 N93 N105 K106 H107 K123 N125 L127 I128 P130 K134 Y137
• Binding residue (residue number reindexed from 1): K1 P7 T8 R10 R11 K13 T14 L15 R16 R19 Q20 Y23 T46 N56 N68 K69 H70 K86 N88 L90 I91 P93 K97 Y100

Gene Ontology

Molecular Function

• GO:0003735 structural constituent of ribosome
• GO:0019843 rRNA binding

Biological Process

• GO:0000027 ribosomal large subunit assembly
• GO:0006412 translation

Cellular Component

• GO:0005634 nucleus
• GO:0005737 cytoplasm
• GO:0005840 ribosome
• GO:0022625 cytosolic large ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:7qwr, PDBe:7qwr, PDBj:7qwr
• PDBsum: 7qwr
• PubMed: 35201867
• UniProt: G1SE76|RL23A_RABIT Large ribosomal subunit protein uL23 (Gene Name=RPL23A)