Structure of PDB 3j81 Chain I Binding Site BS01

Receptor Information
>3j81 Chain I (length=188) Species: 28985 (Kluyveromyces lactis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GISRDSRHKRAATGAKRAQFRKKRKFELGRQAANTKIGTKRIHPVRTRGG
NQKFRALRIETGNFSWASEGVARKTRITGVVYHPSNNELVRTNTLTKAAI
VQIDATPFRQWYESHYGQSLGKTSKNTERKWAARAAEAKIEHAVDSQFGA
GRLYAAISSRPGQSGRCDGYILEGEELAFYLRRLTAKK
Ligand information
>3j81 Chain 2 (length=1780) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
uaucugguugauccugccaguagucauaugcuugucucaaagauuaagcc
augcaugucuaaguauaagcaauuuauacagugaaacugcgaauggcuca
uuaaaucaguuaucguuuauuugauaguuccuuuacuacauggauaucug
ugguaauucuagagcuaauacaugcuuaaaaucucgacccuuuggaagag
auguauuuauuagauaaaaaaucaaugucuucggacuccuugaugauuca
uaauaacuuuucgaaucgcauggccuugugcuggcgaugguucauucaaa
uuucugcccuaucaacuuucgaugguaggauaguggccuaccaugguuuc
aacggguaacggggaauaaggguucgauuccggagagggagccugagaaa
cggcuaccacauccaaggaaggcagcaggcgcgcaaauuacccaauccua
auucagggagguagugacaauaaauaacgauacagggcccauucgggucu
uguaauuggaaugaguacaauguaaauaccuuaacgaggaacaacuggag
ggcaagucuggugccagcagccgcgguaauuccagcuccaguagcguaua
uuaaaguuguugcaguuaaaaagcucguaguugaacuuugggucugguug
uccggucgguuuuucaaccggaucuuuccuucuggcuaaccuguacuccu
ugugggugcaggcgaaccaggacuuuuacuuugaaaaaauuagaguguuc
aaagcaggcgaaagcucgaauauauuagcauggaauaauggaauaggacg
uuugguucuauuuuguugguuucuaggaccaucguaaugauuaauaggga
cggucgggggcaucaguauucaauugucagaggugaaauucuuggauuua
uugaagacuaacuacugcgaaagcauuugccaaggacguuuucauuaauc
aagaacgaaaguuaggggaucgaagaugaucagauaccgucguagucuua
accauaaacuaugccgacuagggaucgggugguguuuuucuuaugaccca
cucggcaccuuacgagaaaucaaagucuuuggguucuggggggaguaugg
ucgcaaggcugaaacuuaaaggaauugacggaagggcaccaccaggagug
gagccugcggcuuaauuugacucaacacggggaaacucaccagguccaga
cacaauaaggauugacagauugagagcucuuucuugauuuuguggguggu
ggugcauggccguucuuaguugguggagugauuugucugcuuaauugcga
uaacgaacgagaccuuaaccuacuaaauaggguugcuggcacuugccggu
ugacucuucuuagagggacuaucgguuucaagccgauggaaguuugaggc
aauaacaggucugugaugcccuuagacguucugggccgcacgcgcgcuac
acugacggagccagcgaguacaaccuuggccgagaggucuggguaaucuu
gugaaacuccgucgugcuggggauagagcauuguaauuauugcucuucaa
cgaggaauuccuaguaagcgcaagucaucagcuugcguugauuacguccc
ugcccuuuguacacaccgcccgucgcuaguaccgauugaauggcuuagug
aggccucaggauuugcuuagagaagggggcaacuccaucucagagcgaag
aaucuggucaaacuuggucauuuagaggaacuaaaagucguaacaagguu
uccguaggugaaccugcggaaggaucauua
...<<<<<...[[[[>>>>>[[[..((((((................[[[
.[[[..<<....<<....<<..........>>...>>.>>......{{..
......[[[..{{..{{....[[[..................<.<..<<.
<<.......>>.>>.....>>.........<<<<<..<<....>>..>>>
>>[...((((((......<<<<<<<<<<<....>>>..............
)))))).....]...<<<<..<<<.....>>>.>>>>....]]]...}}}
}..]]].<<<....<<<....<<<<<<<<.......>>>>>>>>>>>...
...>>>...<<<.<<<<....>>>>....>>>.}}.<<.<<<........
..>>>.>>.<.<<....>>..>..]]]]]].........<<<....<<<.
....>>>..>>>...............<<.<<<<<<............>>
>>>>..>.>.....<<.................>>.........<<<<<(
(......<<<<.....<<..))>>.......>>>>.>>>>>..)))))).
]]].........[[[{{.......{{...[[[.[[.....<<<<<<<<<<
.....<<>>.....>>>>>>>>>.>....<<<<<<....<.<.<..<...
....>..>.>.>....>>>>>>...<<<<<.<<.......<<...<....
...>..<<.......>>...>>......>>.>>..>>>.........[[.
..((((((((....>>>>>>>>.))))))))..]].....]]....<<<<
<<.<<...<<<<..<<..<<<<<<.<...<<<......>>>......>.>
>>>>>..>>.......<<....>>...>>>>...>>>>>.>>>...]]].
..}}......<<<<<<<...<...<<<<.<.....>.>>>>...>>>>>>
>>..........<<<.<<.<<<..<<<<<<<<.<<.<.......>>>>>>
>>>>>..>>>...<<..}}>>...>>.....>>>.]]].<<<......<<
<<....>>>>....>>>..]]]]..<<<<<.<<<<<<<..<<.<<<<<<.
.<<<.<<<<<<......<<........>>..........<<<<<.<....
<<<<<.....<..<<..<<........>.>.>>.>....>>>>>...<<.
<<<..<<.<<<<<<....<<<.<<<<......>>...<<<......>>>.
..>>.>>>....<<<<<.<<..<<<<..<<<<<<<<<<<<....>>>>>>
.>>>>>>..>>>>.>>....<<<<<<.....>>>>>>.......>>>>>.
...>>>.>>>.....>>>>>>>.....>.>>>>>...>>.>>>>.>>>..
...<<<<<<<......<<.....<<<.<<<<....>>>.>>>>....>>.
......>>>>>>>......<....<<<<<<..........>>>>>>....
>.....>>>>>>....<<<<<<<<.......>>>>>>>>......>>...
>>>>>>>>>>.>>....<..<<.<..<<<<.<<....<<.<<<.<.<<<.
.<<<<..<...<<<<<....<..................>....>>>>>.
..>..>>>>..>>>.>.>>>.>>...>>.>>>>...>.>>...>.....<
<<<<<<<<<..>>>>>>>>>>.........
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB3j81 Structural changes enable start codon recognition by the eukaryotic translation initiation complex.
Resolution4.0 Å
Binding residue
(original residue number in PDB)
G2 R5 K10 R11 T14 G15 A16 K17 R18 F21 R22 K23 K24 R25 K26 F27 E28 L29 G30 R31 Q32 A33 A34 K41 R42 I43 R47 T48 R49 G50 N52 K54 R56 L58 R59 N64 S66 V72 A73 R74 K75 S86 N87 K98 S137 K138 N139 S171 S172 R173 G175 Q176 S177 R179 Y183
Binding residue
(residue number reindexed from 1)
G1 R4 K9 R10 T13 G14 A15 K16 R17 F20 R21 K22 K23 R24 K25 F26 E27 L28 G29 R30 Q31 A32 A33 K40 R41 I42 R46 T47 R48 G49 N51 K53 R55 L57 R58 N63 S65 V71 A72 R73 K74 S85 N86 K97 S124 K125 N126 S158 S159 R160 G162 Q163 S164 R166 Y170
Enzymatic activity
Enzyme Commision number ?
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
Cellular Component
GO:0005840 ribosome
GO:0022627 cytosolic small ribosomal subunit
GO:1990904 ribonucleoprotein complex

View graph for
Molecular Function

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Biological Process

View graph for
Cellular Component
External links
PDB RCSB:3j81, PDBe:3j81, PDBj:3j81
PDBsum3j81
PubMed25417110
UniProtQ6CMG3

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