Structure of PDB 7n8b Chain BJ Binding Site BS01

Receptor Information

>7n8b Chain BJ (length=185) Species: 4932 (Saccharomyces cerevisiae)

PRAPRTYSKTYSTPKRPYESSRLDAELKLAGEFGLKNKKEIYRISFQLSK
IRRAARDLLTRDEKDPKRLFEGNALIRRLVRVGVLSEDKKKLDYVLALKV
EDFLERRLQTQVYKLGLAKSVHHARVLITQRHIAVGKQIVNIPSFMVRLD
SEKHIDFAPTSPFGGARPGRVARRNAARKAEASGE

Ligand information

>7n8b Chain B5 (length=1783)

uaucugguugauccugccaguagucauaugcuugucucaaagauuaagcc
augcaugucuaaguauaagcaauuuauacagugaaacugcgaauggcuca
uuaaaucaguuaucguuuauuugauaguuccuuuacuacaugguauaacu
gugguaauucuagagcuaauacaugcuuaaaaucucgacccuuuggaaga
gauguauuuauuagauaaaaaaucaaugucuucggacucuuugaugauuc
auaauaacuuuucgaaucgcauggccuugugcuggcgaugguucauucaa
auuucugcccuaucaacuuucgaugguaggauaguggccuaccaugguuu
caacggguaacggggaauaaggguucgauuccggagagggagccugagaa
acggcuaccacauccaaggaaggcagcaggcgcgcaaauuacccaauccu
aauucagggagguagugacaauaaauaacgauacagggcccauucggguc
uuguaauuggaaugaguacaauguaaauaccuuaacgaggaacaauugga
gggcaagucuggugccagcagccgcgguaauuccagcuccaauagcguau
auuaaaguuguugcaguuaaaaagcucguaguugaacuuugggcccgguu
ggccggucggauuuccaacggggccuuuccuucuggcuaaccuugagucc
uuguggcucuuggcgaaccaggacuuuuacuuugaaaaaauuagaguguu
caaagcaggcguauugcucgaauauauuagcauggaauaauagaauagga
cguuugguucuauuuuguugguuucuaggaccaucguaaugauuaauagg
gacggucgggggcaucaguauucaauugucagaggugaaauucuuggauu
uauugaagacuaacuacugcgaaagcauuugccaaggacguuuucauuaa
ucaagaacgaaaguuaggggaucgaagaugaucagauaccgucguagucu
uaaccauaaacuaugccgacuagggaucgggugguguuuuuuuaaugacc
cacucggcaccuuacgagaaaucaaagucuuuggguucuggggggaguau
ggucgcaaggcugaaacuuaaaggaauugacggaagggcaccaccaggag
uggagccugcggcuuaauuugacucaacacggggaaacucaccaggucca
gacacaauaaggauugacagauugagagcucuuucuugauuuugugggug
guggugcauggccguucuuaguugguggagugauuugucugcuuaauugc
gauaacgaacgagaccuuaaccuacuaaauaguggugcuagcauuugcug
guuauccacuucuuagagggacuaucgguuucaagccgauggaaguuuga
ggcaauaacaggucugugaugcccuuagacguucugggccgcacgcgcgc
uacacugacggagccagcgagucuaaccuuggccgagaggucuugguaau
cuugugaaacuccgucgugcuggggauagagcauuguaauuauugcucuu
caacgaggaauuccuaguaagcgcaagucaucagcuugcguugauuacgu
cccugcccuuuguacacaccgcccgucgcuaguaccgauugaauggcuua
gugaggccucaggaucugcuuagagaagggggcaacuccaucucagagcg
gagaauuuggacaaacuuggucauuuagaggaacuaaaagucguaacaag
guuuccguaggugaaccugcggaaggaucauua

...<<<<<.{.((((>>>>><<<<.<<<<<<...<.<...<......<<<
.<<<..<<....<<....<<..........>>...>>.>>......<<..
......<<<..<<..<<....<<<..................<.....<<
.<<<.....>>>.>>......>.........<<<<<............>>
>>><...<<<<<<......(((.{.{.<<......>>....<<......>
>>>>>>>.....>...<<<<..<<<.....>>>.>>>>....>>>...>>
>>..>>>.<<<....<<<....<<<<<<<<.......>>>>>>>>>>>..
....>>>...<<<.<<<<....>>>>....>>>.>>.<<.<<<.......
...>>>.>>.<.<<....>>.>...>>>>>>.........<<<....<<<
.....>>>..>>>..>....>.>.....<<<.<<<...............
.>>>..>>>......<<..<...........>..>>.........<<<<<
((....<.<<<<.....<<..))>>.......>>>>>>>>>>..>>>>>>
>>>>.........<<<[[.....<.<<...<<<.<<....<<<<<<.<<<
<..............>>>>.>>>>>>......<<<<..............
.................>>>>.....<<<<<.<<.......<<...<...
....>..<<<.....>>>....>>......>>.>>..>>>.........<
<<..<<<<<<<<.....}..}))).>>>>>>>>.>>>.....>>....<<
<<<<.<<...<<<<..<<..<<<<<<.<...<<<......>>>......>
.>>>>>>..>>.......<<....>>...>>>>...>>>>>.>>>...>>
>...>>.>....<<<<<<<...<...<<<<.........>>>>...>>>>
>>>>..........<<<.<<.<<<..<<<<<<<<.<<<........>>>>
>>>>>>>..>>>...<<..]]>>...>>.....>>>.>>>.<<<......
<<<<....>>>>....>>>..)))).}<<<<<.<<<<<<<..<<.<<<<<
<..<<<.<<<<<<......<<........>>..........<<<<<.<..
..<<<<<.....<..<<.<<<........>>>>>..>....>>>>>...<
<.<<<..<<.<<<<<<....<<<.<<<<<....>>>...<<<......>>
>...>>.>>>....<<<<<.<<..<<<<..<<<<<.<.<<<<<..>>>>>
.>...>>>>>..>>>>.>>....<<<<<<.....>>>>>>.......>>>
>>....>>>.>>>.....>>>>>>>.....>.>>>>>...>>.>>>>.>>
>.....<<<<<<<......<<.....<<..<<<<....>>>>..>>....
>>.......>>>>>>>...........<<<<<<..........>>>>>>.
.........>>>>>>....<<<<<<<<.......>>>>>>>>......>>
...>>>>>>>>>>.>>....<..<<.<..<<<<.<<....<<<<<<<<.<
<<..<.<<..<...<<<<<<..<....................>.>.>>>
>>...>..>>.>..>>>.>>>>>>>>...>>.>>>>...>.>>...>...
..<<<<<<<<<....>>>>>>>>>.........

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7n8b CryoEM structures of pseudouridine-free ribosome suggest impacts of chemical modifications on ribosome conformations.
• Resolution: 3.05 Å
• Binding residue (original residue number in PDB): P2 R3 P5 R6 T7 Y8 S9 K10 T11 Y12 T14 K16 R17 P18 Y19 S21 L24 K37 N38 K39 K40 R44 R53 R54 F71 A75 R78 R79 R82 K120 S121 H124 R126 V127 Q131 R132 H133 Q139 N142 I143 S145 F146 M147 V148 R149 P163 F164 R168 P169 R171 V172 A173 N176
• Binding residue (residue number reindexed from 1): P1 R2 P4 R5 T6 Y7 S8 K9 T10 Y11 T13 K15 R16 P17 Y18 S20 L23 K36 N37 K38 K39 R43 R52 R53 F70 A74 R77 R78 R81 K119 S120 H123 R125 V126 Q130 R131 H132 Q138 N141 I142 S144 F145 M146 V147 R148 P162 F163 R167 P168 R170 V171 A172 N175

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• GO:0003735 structural constituent of ribosome
• GO:0005515 protein binding
• GO:0019843 rRNA binding

Biological Process

• GO:0000462 maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
• GO:0006364 rRNA processing
• GO:0006412 translation
• GO:0042254 ribosome biogenesis
• GO:0042274 ribosomal small subunit biogenesis

Cellular Component

• GO:0005634 nucleus
• GO:0005654 nucleoplasm
• GO:0005730 nucleolus
• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0005840 ribosome
• GO:0015935 small ribosomal subunit
• GO:0022627 cytosolic small ribosomal subunit
• GO:0030686 90S preribosome
• GO:0032040 small-subunit processome
• GO:0043226 organelle
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:7n8b, PDBe:7n8b, PDBj:7n8b
• PDBsum: 7n8b
• PubMed: 35489333
• UniProt: O13516|RS9A_YEAST Small ribosomal subunit protein uS4A (Gene Name=RPS9A)