Structure of PDB 4u50 Chain d1 Binding Site BS01

Receptor Information
>4u50 Chain d1 (length=87) Species: 559292 (Saccharomyces cerevisiae S288C) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MENDKGQLVELYVPRKCSATNRIIKADDHASVQINVAKVDEEGRAIPGEY
VTYALSGYVRSRGESDDSLNRLAQNDGLLKNVWSYSR
Ligand information
>4u50 Chain 6 (length=1795) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
uaucugguugauccugccaguagucauaugcuugucucaaagauuaagcc
augcaugucuaaguauaagcaauuuauacagugaaacugcgaauggcuca
uuaaaucaguuaucguuuauuugauaguuccucuacaugguauaacugug
guaauucuagagcuaauacaugcuuaaaaucucgacccuuuggaagagau
guauuuauuagauaaaaaaucaaugucuucggacucuuugaugauucaua
auaacuuuucgaaucgcauggccuugugcuggcgaugguucauucaaauu
ucugcccuaucaacuuucgaugguaggauaguggccuaccaugguuucaa
cggguaacggggaauaaggguucgauuccggagagggagccugagaaacg
gcuaccacauccaaggaaggcagcaggcgcgcaaauuacccaauccuaau
ucagggagguagugacaauaaauaacgauacagggcccauucgggucuug
uaauuggaaugaguacaauguaaauaccuuaacgaggaacaauuggaggg
caagucuggugccagcagccgcgguaauuccagcuccaauagcguauauu
aaaguuguugcaguuaaaaagcucguaguugaacuuugggcccgguuggc
cgguccgauuuuuucguacuggauuuccaacggggccuuuccuucuggcu
aaccuugaguccuuguggcucuuggcgaaccaggacuuuuacuuugaaaa
aauuagaguguucaaagcaggcguauugcucgaauauauuagcauggaau
aauagaauaggacguuugguucuauuuuguugguuucuaggaccaucgua
augauuaauagggacggucgggggcaucaguauucaauugucagagguga
aauucuuggauuuauugaagacuaacuacugcgaaagcauuugccaagga
cguuuucauuaaucaagaacgaaaguuaggggaucgaagaugaucagaua
ccgucguagucuuaaccauaaacuaugccgacuagggaucgggugguguu
uuuuuaaugacccacucggcaccuuacgagaaaucaaagucuuuggguuc
uggggggaguauggucgcaaggcugaaacuuaaaggaauugacggaaggg
caccaccaggaguggagccugcggcuuaauuugacucaacacggggaaac
ucaccagguccagacacaauaaggauugacagauugagagcucuuucuug
auuuugugggugguggugcauggccguucuuaguugguggagugauuugu
cugcuuaauugcgauaacgaacgagaccuuaaccuacuaaauaguggugc
uagcauuugcugguuauccacuucuuagagggacuaucgguuucaagccg
auggaaguuugaggcaauaacaggucugugaugcccuuagacguucuggg
ccgcacgcgcgcuacacugacggagccagcgagucuaaccuuggccgaga
ggucuugguaaucuugugaaacuccgucgugcuggggauagagcauugua
auuauugcucuucaacgaggaauuccuaguaagcgcaagucaucagcuug
cguugauuacgucccugcccuuuguacacaccgcccgucgcuaguaccga
uugaauggcuuagugaggccucaggaucugcuuagagaagggggcaacuc
caucucagagcggagaauuuggacaaacuuggucauuuagaggaacuaaa
agucguaacaagguuuccguaggugaaccugcggaaggaucauua
...<<<<<...[[[[>>>>>[[[[.((((((................[[[
.[[[..<<....<<....<<..........>>...>>.>>......{{..
......[[[..{{..{{....[[[...............<.....<<.<<
.......>>.>>......>.........<<<<<..<<....>>..>>>>>
....((((((......<<<<<<<<<<<<..>>>>..............))
)))).........<<<<..<<<.....>>>.>>>>....]]]...}}}}.
.]]].<<<....<<<....<<<<<<<<.......>>>>>>>>>>>.....
.>>>...<<<.<<<<....>>>>....>>>.}}.<<.<<<..........
>>>.>>.<.<<....>>.>...]]]]]].........<<<....<<<...
..>>>..>>>...............<<<<<<<<...<......>...>>>
>>.>>>......<<..<...........>..>>.........<<<<<((.
.....<<<<.....<<..))>>.......>>>>.>>>>>..))))))]]]
].........[[[{{.......{{...[[[.{{....<<<<<<.<<...<
<<<...............>>>>.......>>.>>>>>>....<<<<<<.<
..<<..<<<<.......>>>>..>>...>>>>>>>...<<<<<.<<....
...<<...<.......>..<<<.....>>>....>>......>>.>>..>
>>.........[[[..((((((((....>>>>>>>>.)))))))).]]].
....}}....<<<<<<.<<...<<<<..<<..<<<<<<.<...<<<....
..>>>......>.>>>>>>..>>.......<<....>>...>>>>...>>
>>>.>>>...]]]...}}......<<<<<<<...<...<<<<.<.....>
.>>>>...>>>>>>>>..........<<<.<<.<<<..<<<<<<<<.<<<
........>>>>>>>>>>>..>>>...<<..}}>>...>>.....>>>.]
]].<<<......<<<<....>>>>....>>>..]]]]..<<<<<.<<<<<
<<..<<.<<<<<<..<<<.<<<<<.......<<........>>.......
...<<<<<.<....<<<<<........<<.<<<........>>>.>>...
...>>>>>...<<.<<<..<<.<<<<<.....<<<.<<<<<....>>>..
.<<<......>>>...>>.>>>....<<<<<.<<..<<<<..<<<<<.<<
<<<<....>>>>>>...>>>>>..>>>>.>>....<<<<<<.....>>>>
>>.......>>>>>.....>>.>>>.....>>>>>>>.....>.>>>>>.
...>.>>>>.>>>.....<<<<<<<......<<.....<<..<<<<....
>>>>..>>....>>.......>>>>>>>...........<<<<<<.....
.....>>>>>>..........>>>>>>....<<<<<<<<.......>>>>
>>>>......>>...>>>>>>>>>>.>>....<..<<.<..<<<<.<<..
..<<<<<<<<.<<<..<.<<......<<<<<<<.<<<..<.........>
...>>>.>>>>>>>......>>.>..>>>.>>>>>>>>...>>.>>>>..
.>.>>...>.....<<<<<<<<<....>>>>>>>>>.........
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4u50 ?
Resolution3.2 Å
Binding residue
(original residue number in PDB)		Y58 R62
Binding residue
(residue number reindexed from 1)		Y58 R62
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003735 structural constituent of ribosome
Biological Process
GO:0000447 endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
GO:0000461 endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
GO:0006364 rRNA processing
GO:0006412 translation
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0005840 ribosome
GO:0022627 cytosolic small ribosomal subunit
GO:1990904 ribonucleoprotein complex

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:4u50, PDBe:4u50, PDBj:4u50
PDBsum4u50
PubMed25209664
UniProtP0C0V8|RS21A_YEAST Small ribosomal subunit protein eS21A (Gene Name=RPS21A)

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