Structure of PDB 7nac Chain A Binding Site BS01

Receptor Information

>7nac Chain A (length=266) Species: 1247190 (Saccharomyces cerevisiae BY4741)

KQFMNKQRTLLISSRGVNYRHRHLIQDLSGLLPHSRKEPKLDTKKDLQQL
NEIAELYNCNNVLFFEARKHQDLYLWLSKPPNGPTIKFYIQNLHTMDELN
FTGNCLKGSRPVLSFDQRFESSPHYQLIKELLVHNFGVPPNARKSKPFID
HVMSFSIVDDKIWVRTYEISHSTKNKEEYEDGEEDISLVEIGPRFVMTVI
LILEGSFGGPKIYENKQYVSPNVVRAQIKQQAAEEAKSRAEAAVERKIKR
RENVLAADPLSNDALF

Ligand information

>7nac Chain 1 (length=2661)

guuugaccucaaaucagguaggaguacccgcugaacuuaagcauaucaau
aagcggaggaaaagaaaccaaccgggauugccuuaguaacggcgagugaa
gcggcaaaagcucaaauuugaaaucugguaccuucggugcccgaguugua
auuuggagagggcaacuuuggggccguuccuugucuauguuccuuggaac
aggacgucauagagggugagaaucccguguggcgaggagugcgguucuuu
guaaagugccuucgaagagucgaguuguuugggaaugcagcucuaagugg
gugguuccaucuaaagcuaaauauuggcgagagaccgauagcgaacaagu
acagugauggaaagaugaaaagaacuuugaaaagagagugaaaaaguacg
ugaaauuguugaaagggaagggcauuugaucagacaugguguuuugugcc
cucugcuccuuguggguaggggaaucucgcauuucacugggccagcauca
guuuugguggcaggauaaauccauaggaauguagcuugccucgguaagua
uuauagccugugggaauacugccagcugggacugaggacugcgacguaag
ucaaggaugcuggcauaaugguuauaugccgcccgucuugaaacacggac
caaggagucuaacgucuaugcgaguguuuggguguaaaacccauacgcgu
aaugaaagugaacguagguuggggccucgcaagaggugcacaaucgaccg
auccugaggauggauuugaguaagagcauagcuguugggacccgaaagau
ggugaacuaugccugaauagggugaagccagaggaaacucugguggaggc
ucggcggucgaucgucgaauuuggguauaggggcgaaagacaaccaucua
guagcugguuccugccgaaguuucccucaggauagcagaagcucguauca
guuuuaugaauguaagaaugaagagcuuuuagugggccauuuuugguaag
cagaacuggcgaugcgggaugaaccgaacguagaguuaaggugccggaau
acacgcucaucagacaccacaaaagguguuaguucaucuagacagccgga
cgguggccauggaagucggaauccgcuaaggaguguguaacaacucaccg
gccgaaugaacuagcccugaaaauggauggcgcucaagcguguuaccuau
acucuaccgucaggguugauaugaugcccugacgaguaggcaggcgugga
ggucagugacgaagccuagaccguaaggucgggucgaacggccucuagug
cagaucuuggugguaguagcaaauauucaaaugagaacuuugaagacuga
aguggggaaagguuccacgucaacagcaguuggacguggguuagucgauc
cuaagagauggggaagcuccguuucaaaggccugauuuuaugcaggccac
caucgaaagggaauccgguuaagauuccggaaccuggauauggauucuuc
acgguaacguaacugaauguggagacgucggcgcgagcccugggaggagu
uaucuuuucuucuuaacagcuuaucaccccggaauugguuuauccggaga
uggggucuuauggcuggaagaggccagcaccuuugcuggcuccggugcgc
uugugacggcccgugaaaauccacaggaaggaauaguuuucaugccaggu
cguacuucuccaaggugaacagccucuaguugauagaauaauguagauaa
gggaagucgguccguaacuucgggauaaggauuggcucuaagggucgggu
agugagggccuuggucacggccuuggcuugcuacaauuaacgaucaacuu
agaacugguacggacaaggggaaucugacuguuaacgagauucccacugu
cccuaucuacuaucuagcgaaaccacagccaagggaacgggcuuggcaga
aucagcggggaacccuguugagcuugacucuaguuugacauugugaagag
acauagaggguguagaauaagugggagcuucggcgccagugaaauaccac
uaccuuuauaguuucuuuacuauugucagguggggaguaaaguuaccaca
gggauaacuggcuuguggcagucaagcguucauagcgacauugcucggcu
cuuccuaucauaccgaagcagaauucgguaagcguuggauuguucaccca
cuaauagggaacgugagcuggguuuagaccgucgugagacagguuaguuu
uacccuacugaugaauguuaccgcaauaguaauugaacuuaguacgagag
gaacaguucauucggauaauugguuuuugcggcugucugaucaggcauug
ccgcgaagcuaccauccgcuggauuauggcugaacgccucuaagucagaa
uccaugcuagaacgcggugauuucuuugcuccacacaauauagauggaua
cgaauaaggcguccuuguggcgucgcugaaccauagcaggcuagcaacgg
ugcacuuggcggaaaggccuugggugcuugcuggcgaauugcaaugucau
uuugcguggggauaaaucauuuguauacgacuuagauguacaacggggua
uuguaagcaguagaguagccguuacgaucugcugagauuaagccuuuguu
gucugauuugu

..........................<<<<<<.....<<....>>.....
.>>>>>.>.........<<....>>..<<<<<......<<.....>>...
..>>>>>..<<<..<<.......<<.<<<<<<...>>>>>>.>>......
.>>....<<<<<<<.<<<<<<<<<<<<<<<<<<<<<....<<<<......
>>>>.(.......<<<......)>>>..>.>>>>>>>>..>>>>>>>>..
..>>>>>>>>>>>........<<<<<<<........>>>>>>>.....<<
<<<<..>>>>>>..>>>.................................
.<<....>>...............<<<<....>>>>..............
....................<<<<<.<<<<<.....<<<<<....<<..<
<<<<<<<<.....>>>>>>>>>......>>....>>>>>.<<<<<<<.<<
<<<<<<<<<<<<<.....<<<<<<<<<......<<<<<......>>>>>.
......>>>>>>>.>.>.>>>>>.>>>>>>>>>>........<<<....>
>>.....>>>>>>>.....>>>>>.>>>>>..<<<<........>>>><<
<<<<....<<<<<<.<<<<<<..<<<...<<<<.....>>>>...>>>..
.<<....>>.......<<<<<..<<<<<....>>>>>...>>>>>.<<.<
<<<<.......>>>.>>..>>....>>>>>>.>>>>>>..<<.<...<<<
<<<...<<<<<<<<<<...<<<....<<<<<<<....>>>>>>>.....>
>>.<<<<....>>>>.....>>>>>>>>>>...<....>...>>>>>>..
....>.>>..<<<<<<....<.<<<....>>>.><<<<<<<<<<...<<<
.<<<<<<....>>>>.>>>>>.>>>>>>>>.>>..<<<<.<<<<<.....
>>>>>.>>>>....<<<......>>>...<<<<<<<..<<<<(((.....
<<<<<<.....<<..........<<<.<<<<<<<<<<.......<<<<<.
<<....<<.........>>....>>.........<<......>>...>>>
>>...>>>>>>>>>>>>>..........))).>>...>>>>>>.>>>>..
>>>>>>><<<<<<<<<.........>>>>>>>>>....>>>>>>..<<<<
<<<<.<<......<<<<.<<<<....>>>>>>>>...>>>>>>>>>>...
.....>>>>>><<.....<<.....<<<<<<.......>>>>>><<<<..
...<<<<<.<<...<<<<<<...<<.....>>.>>>>>>....((<<<<<
<...<<....<<<....>>>........<<<<<<........>>>>>>..
..>>....>>...<<<<<........>>>>>))<<<<.<<<<<<......
<<<....>>>.......<<<<<<...<<<<.<<<<<<<.<<<<<<<<<<.
.(((..>>>>>><...<<<<<....<<<<<<....<<<.....>>>....
>>>>>>.....>>>>>....><<<<<<<......>>>>>>>>>>>...>>
>>>>>.>>>>.........>>>>>>............>>.>>>>>>>>>>
>>..>>>>>>>.<<<<.....>>>>..>>>>..<<<<.....<<<<<<<.
<<........<<<<<<.<<<<.....................<<<<<.<<
<<<<<<..<<..<<<<..>>>>..>>>>>>>>>>......>>>>>.....
.>>>...>>>>>>>....<<<<<<<<<........>>.>>>>>>>.....
>>.>>>>>>>..>>>>>>....>>....<<<<<........>>>>>....
<<<<<..<<<..<<<<<<.<<<<<<..<<<<.<<<<.<<...<<<<<<<<
<<..<<<.<..........<<<<<..<<<..>>>............>>>>
>..>>>>...>>>>>>>>>>....>>.>>>>..>>>>..>>>>>.>.>>>
>>>.............<<<<<<...<<.......>>...>>>>>>.....
..<<<<..<.<<<<<<<......>>>>>>>...>.<<<.........>>>
.....>>>>.................<<<<<<<....>>>.>>>>.....
...>>>.>>>>>....<<<<<<<<..<<<<.<.<<<<<<...........
....>>>>>>.><<<<<...<<<<....<<<<<<<<<<))).>>>>>..>
>>>>...>>>>..>>>>>.<<<<...<<<<<...........>>>>>...
>>>>.>>>>....>>>>>>>>.......<<<<<<.<<<.<<....<<...
.......<<<<<<.....>>>>>>......>>.......<<<<<<...<<
<<<.<..<<<......>>>..>.>>>>>.>>>>>>.............>>
.>>>.>>>>>>..<<<<<.<.............>.....<<<<<<<<<.<
<<....<<<<....<<.......>>...>>>>...>>>....>>>>.>>>
>>..>>>>>..

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7nac Sequence-specific remodeling of a topologically complex RNP substrate by Spb4.
• Resolution: 3.04 Å
• Binding residue (original residue number in PDB): N42 R46 K68 R92 K93 H94 N246 V248 Q251 I252 Q255 E259 R263 R270
• Binding residue (residue number reindexed from 1): N18 R22 K44 R68 K69 H70 N222 V224 Q227 I228 Q231 E235 R239 R246

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• GO:0005515 protein binding
• GO:0008097 5S rRNA binding
• GO:0019843 rRNA binding
• GO:0042134 rRNA primary transcript binding

Biological Process

• GO:0000027 ribosomal large subunit assembly
• GO:0000464 endonucleolytic cleavage in ITS1 upstream of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
• GO:0000465 exonucleolytic trimming to generate mature 5'-end of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
• GO:0006364 rRNA processing
• GO:0042254 ribosome biogenesis

Cellular Component

• GO:0005634 nucleus
• GO:0005730 nucleolus
• GO:0030687 preribosome, large subunit precursor

External links

• PDB: RCSB:7nac, PDBe:7nac, PDBj:7nac
• PDBsum: 7nac
• PubMed: 36482249
• UniProt: Q08235|BRX1_YEAST Ribosome biogenesis protein BRX1 (Gene Name=BRX1)