Structure of PDB 3j80 Chain X Binding Site BS01

Receptor Information
>3j80 Chain X (length=144) Species: 28985 (Kluyveromyces lactis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GKGKPRGLNSARKLRVHRRNNRWAETTYKKRLLGTAFKSSPFGGSSHAKG
IVLEKIGIESKQPNSAIRKCVRVQLIKNGKKVTAFVPNDGCLNFVDENDE
VLLAGFGRKGKAKGDIPGVRFKVVKVSGVSLLALWKEKKEKPRS
Ligand information
>3j80 Chain 2 (length=1779) [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
uccguaggugaaccugcggaaggaucauu
...<<<<<.{.[[[[>>>>><<<<.<<<<<<...<.<..........<<<
.<<<..<<....<<....<<..........>>...>>.>>......<<..
......<<<..<<..<<....<<<..................<....<<.
<<<.....>>>.>>......>.........<<<<<..<<....>>..>>>
>><...<<<<<<......(((((((.<<<....>>>..............
>>>>>>.....>...<<<<..<<<.....>>>.>>>>....>>>...>>>
>..>>>.<<<....<<<....<<<<<<<<.......>>>>>>>>>>>...
...>>>...<<<.<<<<....>>>>....>>>.>>.<<.<<<........
..>>>.>>.<.<<....>>.>...>>>>>>.........<<<....<<<.
....>>>..>>>.......>.>.....<<<<<<<<<<<.......>.>>>
>>>>.>>.>.....<<.................>>.........<<<<<(
(......<<<<.....<<..))>>.......>>>>.>>>>>..>>>>>>>
>>>.........<<<[[.....<.<<...<<<.<<....<<<<<<<<<<<
.....<..>.....>>>>>>>>>>>....<<<<<<....<.<<<..<...
....>..>>>.>....>>>>>>...<<<<<.<<.......<<...<....
...>..<<<....>>>....>>......>>.>>..>>>.........<<.
..<<<<<<<<.....))))))).>>>>>>>>..>>.....>>....<<<<
<<.<<...<<<<..<<..<<<<<<.<...<<<......>>>......>.>
>>>>>..>>.......<<....>>...>>>>..>.>>>>.>>>...>>>.
..>>.>....<<<<<<<...<...<<<<.<.....>.>>>>...>>>>>>
>>..........<<<.<<.<<<..<<<<<<<<.<<<........>>>>>>
>>>>>..>>>...<<..]]>>...>>.....>>>.>>>.<<<......<<
<<....>>>>....>>>..]]]].}<<<<<.<<<<<<<..<<.<<<<<<.
.<<<.<<<<<<......<<........>>..........<<<<<......
<<<<<........<<................>>......>>>>>...<<.
<<<..<<.<<<<<<....<<<.<<<<......>>...<<<......>>>.
..>>.>>>....<<<<<.<<..<<<<..<<<<<<<<<<<<....>>>>>>
.>>>>>>..>>>>.>>....<<<<<<.....>>>>>>.......>>>>>.
...>>>.>>>.....>>>>>>>.......>>>>>...>>.>>>>.>>>..
...<<<<<<<......<<.....<<..<<<<....>>>>..>>....>>.
......>>>>>>>...........<<<<<<..........>>>>>>....
......>>>>>>....<<<<<<<<.......>>>>>>>>......>>...
>>>>>>>>>>.>>....<..<<.<..<<<<.<<....<<<<<<.<.<<<.
.<<<<..<...<<<<<<..........................>>>>>>.
..>..>>>>..>>>.>.>>>>>>...>>.>>>>...>.>>...>.....<
<<<<<<<<<..>>>>>>>>>>........
Receptor-Ligand Complex Structure
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PDB3j80 Structural changes enable start codon recognition by the eukaryotic translation initiation complex.
Resolution3.75 Å
Binding residue
(original residue number in PDB)
G2 K3 K5 P6 R7 G8 L9 N10 R13 K14 R19 R20 N22 W24 A25 E26 K30 R32 L33 F38 S46 S47 H48 A49 K50 K62 Q63 N65 S66 A67 R69 K70 K78 P88 N89 D90 G91 G106 F107 G108 R109 K110 K112 D116 R121 K126 S131 K139 K140
Binding residue
(residue number reindexed from 1)
G1 K2 K4 P5 R6 G7 L8 N9 R12 K13 R18 R19 N21 W23 A24 E25 K29 R31 L32 F37 S45 S46 H47 A48 K49 K61 Q62 N64 S65 A66 R68 K69 K77 P87 N88 D89 G90 G105 F106 G107 R108 K109 K111 D115 R120 K125 S130 K138 K139
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003735 structural constituent of ribosome
Biological Process
GO:0006412 translation
Cellular Component
GO:0005840 ribosome
GO:0015935 small ribosomal subunit
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:3j80, PDBe:3j80, PDBj:3j80
PDBsum3j80
PubMed25417110
UniProtF2Z602

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