Structure of PDB 4xej Chain AL20 Binding Site BS01

Receptor Information

>4xej Chain AL20 (length=117) Species: 262724 (Thermus thermophilus HB27)

PRAKTGVVRRRKHKKILKLAKGYWGLRSKSFRKARETLFAAGNYAYAHRK
RRKRDFRRLWIVRINAACRQHGLNYSTFIHGLKKAGIEVDRKNLADLAVR
EPQVFAELVERAKAAQG

Ligand information

>4xej Chain A23S (length=2876)

agaugguaagggcccacgguggaugccucggcacccgagccgaugaagga
cguggcuaccugcgauaagccagggggagccgguagcgggcguggauccc
uggauguccgaaugggggaacccggccggcgggaacgccggucaccgcgc
uuuuugcgcggggggaaccuggggaacugaaacaucucaguacccagagg
agaggaaagagaaaucgacucccugaguagcggcgagcgaaaggggacca
gccuaaaccguccggcuuguccgggcggggucguggggcccucggacacc
gaauccccagccuagccgaagcuguugggaagcagcgccagagaggguga
aagccccguaggcgaaagguggggggauaggugaggguacccgaguaccc
cgugguucguggagccaugggggaaucugggcggaccaccgccuaaggcu
aaguacuccgggugaccgauagcgcaccaguaccgugagggaaaggugaa
aagaaccccgggaggggagugaaauagagccugaaaccgugggcuuacaa
gcagucacggccccgcaagggguuguggcgugccuauugaagcaugagcc
ggcgacucacggucgugggcgagcuuaagccguugaggcggaggcguagg
gaaaccgaguccgaacagggcgucuaguccgcggccguggacccgaaacc
gggcgagcuagcccuggccagggugaagcuggggugagacccaguggagg
cccgaaccggugggggaugcaaaccccucggaugagcuggggcuaggagu
gaaaagcuaaccgagcccggagauagcugguucuccccgaaaugacuuua
gggucagccucaggcgcugacuggggccuguagagcacugauagggcuag
ggggcccaccagccuaccaaacccugucaaacuccgaagggucccaggug
gagccugggagugagggcgcgagcgauaacguccgcguccgagcgcggga
acaaccgagaccgccagcuaaggcccccaagucugggcuaagugguaaag
gauguggcgccgcgaagacagccagggguuggcuuagaagcagccauccu
uuaaagagugcguaauagcuccuggucgaguggcgccgcgccgaaaauga
ucggggcuuaagcccagcgccgaagcugcgggucugggggaugaccccag
gcgguaggggagcguucccgaugccgaugaaggccgacccgcgagggcgg
cuggagguaagggaagugcgaaugccggcaugaguaacgauaaagagggu
gagaaucccucucgccguaagcccaaggguuccuacgcaauggucgucag
cguaggguuaggcgggaccuaaggugaagccgaaaggcguagccgaaggg
cagccgguuaauauuccggcccuucccgcaggugcgauggggggacgcuc
uaggcuagggggaccggagccauggacgagcccggccagaagcgcagggu
gggagguaggcaaauccgccucccaaaagcucugcgugguggggaagccc
guacgggugacaaccccccgaagccagggagccaagaaaagccucuaagc
acaaccugcgggaacccguaccgcaaaccgacacaggugggcgggugcaa
gagcacucaggcgcgcgggagaacccucgccaaggaacucugcaaguugg
ccccguaacuucgggagaaggggugcucccuggggugaugagcuccgggg
agccgcagugaacaggcucuggcgacuguuuaccaaaaacacagcucucu
gcgaacucguaagaggagguauagggagcgacgcuugcccggugccggaa
ggucaaggggaggggugcaagccccgaaccgaagccccggugaacggcgg
ccguaacuauaacgguccuaagguagcgaaauuccuugucggguaaguuc
cgaccugcacgaaaagcguaacgaccggagcgcugucucggcgagggacc
cggugaaauugaacuggccgugaagaugcggccuacccguggcaggacga
aaagaccccguggagcuuuacugcagccugguguuggcucuuggucgcgc
cugcguaggauaggugggagccugugaacccccgccuccggguggggggg
aggcgccggugaaauaccacccuggcgcggcuggggccuaacccucggau
ggggggacagcgcuuggcgggcaguuugacuggggcggucgccuccuaaa
agguaacggaggcgcccaaagguccccucaggcgggacggaaauccgccg
gagagcgcaaggguagaagggggccugacugcgaggccugcaagccgagc
aggggcgaaagccgggccuagugaaccgguggucccguguggaagggcca
ucgaucaacggauaaaaguuaccccggggauaacaggcugaucucccccg
agcguccacagcggcggggagguuuggcaccucgaugucggcucgucgca
uccuggggcugaagaaggucccaaggguugggcuguucgcccauuaaagc
ggcacgcgagcuggguucagaacgucgugagacaguucggucucuauccg
ccacgggcgcaggaggcuugaggggggcucuuccuaguacgagaggaccg
gaagggacgcaccucugguuucccagcugucccuccaggggcauaagcug
gguagccaugugcggaagggauaaccgcugaaagcaucuaagcgggaagc
ccgccccaagaugaggccucccacggcgucaagccgguaaggacccggga
agacuacccgguggaugggccggggguguaagcgccgcgaggcguugagc
cgaccggucccaaucguccgaggucu

<<<......<<<<<<<<<<<.....<<..<<<<<<<<<<<<......<<<
<<<.((..((.>>>.....<<<<<<<..<<<))..)).>>>.....>>>>
>>>...>>>....<<<....>>><<<<<<<<....>>>>>>>>.<<<<<<
.....>>>>>>.>>...<<<<<<.....<<....>>......>>>>>.>.
........<<....>>...<<<<<.....<<.....>>....>>>>>...
<<<....<<<<<<<<.....>>>>>>>>......<<<<<<<<<....<<<
...<<<<<.<<<<.<<<...<<<<<......>>>>>((......<<<...
..))>>>...>>>...>>>>..>>>>>..>>>>>>>>>.>>>.....<<<
<<<<<<.......>>>>>>>>>......<<<<<..((((>>>>>..>>>.
.....>>.>>>>>>.>>...............<<....>>....>>....
.....<<<<....>>>>..................>>>>>>>>>>>....
...<<<<<<<<<<<....>>>>>>>>>>>...<............>.<<<
<<<....<<<<<<<<<<<<<..<<<...<<<.....>>>...>>>...<<
....>>..<<<<.....>>>>.....>>>>>>>>>>>>>..<<.<...<<
<<<<....<<<<<<<<<<..<<<....<<<<<<......>>>>>>.....
>>>...<<<..<<<<........>>>>.>>>....>>>>>>>>>>..<<<
.....>>>......>>>>>>......>.>>..<<<<<<....<<<<<...
.>>>>><<<<<<<<<.....<<<<<<<<<...<<<...<<<<<<<<...<
<<<<<......>>>>.>>...>>>>>>>>..>>.>...>>>>>>>>>...
..>>>>>>>.>>..<<<<<<<.<<......>>.>>>>>>>.....<<<..
....>>>...<<<<.<<<...<<<(((.....<<<<<<...........<
<..<<<<<<<<<........<<<<..<<..<<<<.......>>>>..>>.
.........<<......>>...>>>>....>>>>>>>>>.>>........
..)))......>>>>>>.>>>...>>>>>>><<<<<<<<.....>>>>>>
>>....>>>>>>..<<<<<...<<<......<<<<<.<<<....>>>>>>
>>...>>>..>>>>>........>>>>>><......<<.....<<<<<<.
......>>>>>><<<<....<<<<<.<<...<<<<<<...<<.....>>.
>>>>>>....((<<<<.<<...<<<...<<<....>>>...>>>...>>.
..<<<<<........>>>>>))<<<<<<<<<<<<<...<<<<....<<<<
<.<<<..<<<<<.<<<<.<<..[[[[...>>>>>><<<...<<<<<<<<<
<<<<<<<.<<.....>>>>>>>>>....>>>>>>>>>..>>>....<<<<
....>>>>......>>>>>...>>>..>>>>>.........>>>>...>>
...>>>>>>>>>>>>>>>..>>.....<<......>>>>>>>.<<<<<..
..>>>>>..>>>>..<<<<....<<<<<<<<.<<.........<.....<
<<<<...............>>>>><<<<<<<<<<<<.....>>>>>>>>>
>>>............<<<<<<<<<..<<<.........>>>..<<<<<<<
.....<<<....>>>.......>>>>>>>.<<<<<.<<<..<<<<<<<..
<<<...<<...<<<<<....>>>>>...>>...>>>>>>>>..>>>>><<
<<<<.......>>>>>>........<...........<<<<<<.....>>
>>>>.....>....>>>>>..>>.>>>>>>>..>..>>.>>>>>>>>.>>
>>>>.....>.....<<<<<........>>>>>..<<<<<<<<.<<<...
......<<<<.<<<<<<..<<<<<.<<<.<<<<<.<<<<.<<<<<<<<<<
<.<.........<<<<<..<<<......<<<<<<<<....>>>>>>>>..
.>>>............>>>>>>.>>>>>>>>>>>>>>>...<<<<<....
>>>>>....>>>>>.>>>..>>>>>..<<<<.....>>>><<<<<<....
.......>>>>>>..<<...<<<<<<<...<<<<<<.......>>>>>>.
....<....(((.>....>>>>>>>...<<<<..<<<......>>>..>>
>>.<<<....>>>.>>))).......<<<<<<<.<<..))))..>>>>>>
>>>.............>>>>..>>>>>>.......<<<<...<<<<<<..
.<<.......>>...>>>>>>....>>>.>.......<.<<<..<<<<<.
.<<<<<<<<<......>>>>>>>..>>.<<<<<.....>>>>>.....>>
>>>......>>>..>....<<<<<<<....>>>.>>>>........>>>>
>>>>>>>....<<<<<<<...<<<<..<<<<<<<...............>
>>>>>>.<<<<<...<<<<...<<<<<<<<<<<]]]]>>>>>>...>>>>
>...>>>>.>>>>>...<<<....<<<<<...........>>>>>....>
>>.>>>>.......>>>>>>>...<<<.....>>>.....<<<<<<<<<.
......>>>>>....<<<<<<<<.<<<....<<<<<....>>>>>...>>
>..>>>>>.>>>...>>>>....>>>

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4xej Initiation of translation in bacteria by a structured eukaryotic IRES RNA.
• Resolution: 3.8 Å
• Binding residue (original residue number in PDB): P2 R3 A4 K5 T6 G7 V8 V9 R10 R11 R12 K13 H14 K15 K16 G23 Y24 W25 G26 L27 R28 K30 S31 F32 R33 K34 R36 E37 A42 Y45 Y47 A48 H49 R50 K51 R52 R53 K54 R55 F57 R58 R59 W61 I62 N66 R70 N75 Y76 S77 H81 R92 K93 N94
• Binding residue (residue number reindexed from 1): P1 R2 A3 K4 T5 G6 V7 V8 R9 R10 R11 K12 H13 K14 K15 G22 Y23 W24 G25 L26 R27 K29 S30 F31 R32 K33 R35 E36 A41 Y44 Y46 A47 H48 R49 K50 R51 R52 K53 R54 F56 R57 R58 W60 I61 N65 R69 N74 Y75 S76 H80 R91 K92 N93

Gene Ontology

Molecular Function

• GO:0003735 structural constituent of ribosome
• GO:0019843 rRNA binding

Biological Process

• GO:0000027 ribosomal large subunit assembly
• GO:0006412 translation

Cellular Component

• GO:0005840 ribosome
• GO:0022625 cytosolic large ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:4xej, PDBe:4xej, PDBj:4xej
• PDBsum: 4xej
• PubMed: 25652826
• UniProt: Q72L76|RL20_THET2 Large ribosomal subunit protein bL20 (Gene Name=rplT)