Structure of PDB 6lqq Chain B3 Binding Site BS01

Receptor Information
>6lqq Chain B3 (length=757) Species: 559292 (Saccharomyces cerevisiae S288C) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LKTSYKGISLNPIYAGSSAVATVSENGKILATPVLDEINIIDLTPGSRKI
LHEITALKLTPDGQYLTYVSQAQLLKIFHLKTGKVVRSMKISSPSYILDA
DSTSTLLAVGGTDGSIIVVDIENGYITHSFKGHGGTISSLKFYGQLNSKI
WLLASGDTNGMVKVWDLVKRKCLHTLQEHTSAVRGLDIIEVPPSLNLLSG
GRDDIINLWDFNMKKKCKLLKTLPVNQQVESCGFLKIIYTAGGDAIFQLI
DSESGSVLKRTNKPIEELFIIGVLPILSNSQMFLVLSDQTLQLINVEEDL
KNTIQVTSSIAGNHGIIADMRYVGPELNKLALATNSPSLRIIPVPDLASL
PLDVEIYEGHEDLLNSLDATEDGLWIATASKDNTAIVWRYKFDIYAKYIG
HSAAVTAVGLPNIVSKGYPEFLLTASNDLTIKKWIIPKPTASMDVQIIKV
SEYTINALSVSPNDSIFATASYDKTCKIWNLENGELEATLANHKRGLWDV
SFCQYLLATSSGDKTVKIWSSVMKTLEGHTNAVQRCSFINKQKQLISCGA
DGLIKCLKTLDGHNNRLWALSTMNDGDMIVSADADGVFQFWKDCTEQEIE
EEQEKAKLQVEQEQSLQNYMSKGDWTNAFLLAMTLDHPMRLFNVLKRALG
ESRSRQEVIFNEELDQAISILNDEQLILLMKRCRDWNTNAKTHTIAQRTI
RCILMHHNIAKLSEIPGMVKIVDAIIPYTQRHFTRVDNLVEQSYILDYAL
VEMDKLF
Ligand information
>6lqq Chain SA (length=1323) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
aagauaguuaucugguugauccugccaguagucauaugcuugucucagcc
augcaugucuaaguauaagcaauuuauacagugaaacugcgaaggcucau
uaaaucaguuaucguuuauuugauaguuccaugguauaacugugguaauu
cuagagcuaauacaugcuaaucucgacccuuuggaagagauguauuuauu
agaucaaugucuucggacucuuugaugaaauaacuuuucgaaucgcaugg
ccuugugcuggcgaugguucauucaaauuucugcccuaucaacuuucgau
gguaggauaguggccuaccaugguuucaacggguaacggggaauaagggu
ucgauuccggagagggagccugagaaacggcuaccacauccaaggaaggc
agcaggccaaauuacccaauccuaauucagggagguagugacaauaaaua
acgauacagggcccauucgggucuuguaauuggaaugaguacaauguaaa
uaccuuaacgaggaacaauuggagggcaagucuggugccagcagccgcgg
uaauuccagcuccaauagcguauauuaaaguuguugcagaagcucguagu
ugaacuggcccgguuggccgguccggauuuccaacggggccuugguucua
uuuucuaggacugauuaauagggacggucgggggcaucaguauucaauug
ucagaggugaaauucuuggauuuauugaagacuaacuacugcgaaagcau
uugccaaggacguuuucauuaaucaagaacgaccauaaacuaugccgacu
agggaucgggugguguuuuuuuaaugacccacucggcaccuuacgagaac
uggggggaguauggucgcaaggcugaaacuuaaaggaauugacggaaggg
caccaccaggaguggagccugcggcucaacacggggaaacucaccagguc
cagacacaauaaggauugacauucuugauuuugugggugguggugcauug
augcccuuguucugggccacgcgcgcuacacugacggagccagcgagucu
aaccuuggccgagaggucuugguaaucuugugaaacuccgucgugcuggc
aacgaggaauuccuaguaagcgcaagucaucagcuugcguugauuacguc
ccugcccuuuguacacaccgcccgucgcuaguaccgauugaauggcuuag
ugaggccucaggaucugcuuagagaagggggcaacuccaucucagagcgg
agaauuuggacaaacuuggucauuuagaggaacuaaaagucguaacaagg
uuuccguaggugaaccugcggaa
............................<<<<.<<<<<<........<<<
.<<...<<....<<....<<..........>>...>>.>>.....<<<..
.....<<<..<<..<<....<<<..........<.....<<.<<......
.>>.>>......>.......<<<<............>>>>.....<<<<<
...<<<<..............>>>>...>>>>>.........<<<<...<
<.....>>..>>>>....>>>...>>>>..>>>.<<<....<<<....<<
<<<<<<.......>>>>>>>>>>>......>>>.....<<..........
.....>>..>>>.<<.<<<..........>>>.>>.<.<<....>>.>..
..>>>>>......<<<....<<<.....>>>..>>>..............
.<<<<<<<.<<<<<....>>>>>.>>>.>>>>......<<..<.......
....>..>>.........<<<<<<.......<<<....>>>.........
.........>>>>>>..>>>>>>>>>>.........<....<.<<...<<
<.<<..<<<<<.<<<<<..<.......>..>>>>>.>>>>>.<..<<..<
...>..>>.>....>>....<<<<<<.<<...<<<<..<<..<<<<<<.<
...<<<......>>>......>.>>>>>>..>>.......<<....>>..
.>>>>...>>>>>.>>>...>>>...>>.>...............<<...
<<<..<<<<<<<<.<<<........>>>>>>>>>>>..>>>..>>.....
.>....................<<.........>>.....<<<<<<<<<<
<<..<<.<<<<<<..<<<.<<<<.......................<<.<
....<<<<<........<.....>......>>>>>......<<<......
..>>>...>.>>.......>>>>.>>>.....<<<<<<<...........
.<<<..<<<<....>>>>..>>>............>>>>>>>........
........>>>>>>....<<<<<<<<.......>>>>>>>>......>>.
..>>>>>>>............>>>>>..<<<<.<<.....<<<<<<<.<<
<..<.<<......<<<<<<<...<<.<<<......>>>.>>...>>>>>>
>......>>.>..>>>.>>>>>>>....>>.>>>>...............
.<<<<<<<<<....>>>>>>>>>
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB6lqq Cryo-EM structure of 90 S small ribosomal subunit precursors in transition states.
Resolution4.1 Å
Binding residue
(original residue number in PDB)
N133 G134 Y135 I136 T137 S139 K141 R180 N749 A750 K751 R791
Binding residue
(residue number reindexed from 1)
N123 G124 Y125 I126 T127 S129 K131 R170 N689 A690 K691 R731
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0034511 U3 snoRNA binding
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:0000462 maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
GO:0000472 endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
GO:0000480 endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
GO:0006364 rRNA processing
GO:0030490 maturation of SSU-rRNA
GO:0042254 ribosome biogenesis
Cellular Component
GO:0005634 nucleus
GO:0005654 nucleoplasm
GO:0005730 nucleolus
GO:0030686 90S preribosome
GO:0032040 small-subunit processome
GO:0034388 Pwp2p-containing subcomplex of 90S preribosome
GO:1990904 ribonucleoprotein complex

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:6lqq, PDBe:6lqq, PDBj:6lqq
PDBsum6lqq
PubMed32943522
UniProtQ05946|UTP13_YEAST U3 small nucleolar RNA-associated protein 13 (Gene Name=UTP13)

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