Structure of PDB 7wtn Chain SX Binding Site BS01

Receptor Information

>7wtn Chain SX (length=144) Species: 4932 (Saccharomyces cerevisiae)

GKGKPRGLNSARKLRVHRRNNRWAENNYKKRLLGTAFKSSPFGGSSHAKG
IVLEKLGIESKQPNSAIRKCVRVQLIKNGKKVTAFVPNDGCLNFVDENDE
VLLAGFGRKGKAKGDIPGVRFKVVKVSGVSLLALWKEKKEKPRS

Ligand information

>7wtn Chain C2 (length=1200)

uaucugguugauccugccaguagucauaugcuugucucaaagauuaagcc
augcaugucuaaguauaagcaaauacagugaaacugcgaauggcucauua
aaucaguuaucguuuauuugauaguuccucuacaugguauaacuguggua
auucuagagcuaauacaugcuuaaaaucucgacccuuuggaagagaugua
uuuauuagauaaaaaaucaaugucuucggacucuuugaugauucauaaua
acuuuucgaaucgcauggccuugugcuggcgaugguucauucaaauuucu
gcccuaucaacuuucgaugguaggauaguggccuaccaugguuucaacgg
guaacggggaauaaggguucgauuccggagagggagccugagaaacggcu
accacauccaaggaaggcagcaggcgcgcaaauuacccaauccuaauuca
gggagguagugacaauaaauaacgauacagggucuuguaauuggaaugag
uacaauguaaauaccuuaacgaggaacaauuggagggcaagucuggugcc
agcagccgcgguaauuccagcuccaauagcguauauuaaaguuguugcag
uuaaaaagcucguaguugaacuuugggcccgguuaacggggccuuuccuu
cuggcuaaaccaggacuuuuacuuugaaaaaauuagaguguucaaagcag
gcguauugcucgaauauauuagcauggaauaauagaauaggacguuuggu
ucuauuuuguugguuucuaggaccaucguaaugauuaauagggacggucg
ggggcaucaguauucaauugucagaggugaaauucuuggauuuauugaag
acuaacuacugcgaaagcauuugccaaggacguuuucauuaaucaagaac
gaaaguuaggggaucgaagaugaucagauaccgucguagucuuaaccaua
aacuaugccgacuagggaucgggugguguuuuuuuaaugacccacucggc
accuuacgagaaaucaaagucuuuggguucuggggggaguauggucgcaa
ggcugaaacuuaaaggaauugaccgcgcuaguaccgauugaauggcuuag
ugaggccucaggaucugcagagcggagaauuuggacaaacuuggucauuu
agaggaacuaaaaguagguuuccguaggugaaccugcggaaggaucauua

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7wtn The nucleoplasmic phase of pre-40S formation prior to nuclear export.
• Resolution: 3.4 Å
• Binding residue (original residue number in PDB): G2 K3 G4 K5 R7 G8 N10 R13 K14 R19 R20 N22 R23 W24 A25 E26 K30 F38 S46 S47 H48 A49 K50 K62 N65 S66 R69 K78 G106 G108 R109 K110 K112 K126 K139
• Binding residue (residue number reindexed from 1): G1 K2 G3 K4 R6 G7 N9 R12 K13 R18 R19 N21 R22 W23 A24 E25 K29 F37 S45 S46 H47 A48 K49 K61 N64 S65 R68 K77 G105 G107 R108 K109 K111 K125 K138

Gene Ontology

Molecular Function

• GO:0003735 structural constituent of ribosome

Biological Process

• GO:0000462 maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
• GO:0006412 translation
• GO:0006450 regulation of translational fidelity
• GO:1990145 maintenance of translational fidelity

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0005840 ribosome
• GO:0015935 small ribosomal subunit
• GO:0022627 cytosolic small ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:7wtn, PDBe:7wtn, PDBj:7wtn
• PDBsum: 7wtn
• PubMed: 36321656
• UniProt: P0CX29|RS23A_YEAST Small ribosomal subunit protein uS12A (Gene Name=RPS23A)