Structure of PDB 8p18 Chain D Binding Site BS01

Receptor Information

>8p18 Chain D (length=201) Species: 562 (Escherichia coli)

MELVLKDAQSALTVSETTFGRDFNEALVHQVVVAYAAGARQGTRAQKTRA
EVTGSGKKPWRQKGTGRARSGSIKSPIWRSGGVTFAARPQDHSQKVNKKM
YRGALKSILSELVRQDRLIVVEKFSVEAPKTKLLAQKLKDMALEDVLIIT
GELDENLFLAARNLHKVDVRDATGIDPVSLIAFDKVVMTADAVKQVEEML
A

Ligand information

>8p18 Chain 1 (length=2899)

gguuaagcgacuaagcguacacgguggaugcccuggcagucagaggcgau
gaaggacgugcuaaucugcgauaagcgucgguaaggugauaugaaccguu
auaaccggcgauuuccgaauggggaaacccaguguguuucgacacacuau
cauuaacugaauccauagguuaaugaggcgaaccgggggaacugaaacau
cuaaguaccccgaggaaaagaaaucaaccgagauucccccaguagcggcg
agcgaacggggagcagcccagagccugaaucaguguguguguuaguggaa
gcgucuggaaaggcgcgcgauacagggugacagccccguacacaaaaaug
cacaugcugugagcucgaugaguagggcgggacacgugguauccugucug
aauauggggggaccauccuccaaggcuaaauacuccugacugaccgauag
ugaaccaguaccgugagggaaaggcgaaaagaaccccggcgaggggagug
aaaaagaaccugaaaccguguacguacaagcagugggagcacgcuuaggc
gugugacugcguaccuuuuguauaaugggucagcgacuuauauucuguag
caagguuaaccgaauaggggagccgaagggaaaccgagucuuaacugggc
guuaaguugcaggguauagacccgaaacccggugaucuagccaugggcag
guugaagguuggguaacacuaacuggaggaccgaaccgacuaauguugaa
aaauuagcggaugacuuguggcugggggugaaaggccaaucaaaccggga
gauagcugguucuccccgaaagcuauuuagguagcgccucgugaauucau
cuccggggguagagcacuguuucggcaagggggucaucccgacuuaccaa
cccgaugcaaacugcgaauaccggagaauguuaucacgggagacacacgg
cgggugcuaacguccgucgugaagagggaaacaacccagaccgccagcua
aggucccaaagucaugguuaagugggaaacgaugugggaaggcccagaca
gccaggauguuggcuuagaagcagccaucauuuaaagaaagcguaauagc
ucacuggucgagucggccugcgcggaagauguaacggggcuaaaccaugc
accgaagcugcggcagcgacgcgcguuguuggguaggggagcguucugua
agccugcgaaggugugcugugaggcaugcuggagguaucagaagugcgaa
ugcugacauaaguaacgauaaagcgggugaaaagcccgcucgccggaaga
ccaaggguuccuguccaacguuaaucggggcagggugagucgaccccuaa
ggcgaggccgaaaggcguagucgaugggaaacagguuaauauuccuguac
uugguguuacugcgaaggggggacggagaaggcuauguuggccgggcgac
gguugucccgguuuaagcguguaggcugguuuuccaggcaaauccggaaa
aucaaggcugaggcgugaugacgaggcacuacggugcugaagcaacaaau
gcccugcuuccaggaaaagccucuaagcaucagguaacaucaaaucguac
cccaaaccgacacagguggucagguagagaauaccaaggcgcuugagaga
acucgggugaaggaacuaggcaaaauggugccguaacuucgggagaaggc
acgcugauauguaggugaggucccucgcggauggagcugaaaucagucga
agauaccagcuggcugcaacuguuuauuaaaaacacagcacugugcaaac
acgaaaguggacguauacggugugacgccugcccggugccggaagguuaa
uugaugggguuagcgcaagcgaagcucuugaucgaagccccgguaaacgg
cggccguaacuauaacgguccuaagguagcgaaauuccuugucggguaag
uuccgaccugcacgaauggcguaaugauggccaggcugucuccacccgag
acucagugaaauugaacucgcugugaagaugcaguguacccgcggcaaga
cggaaagaccccgugaaccuuuacuauagcuugacacugaacauugagcc
uugauguguaggauaggugggaggcuuugaaguguggacgccagucugca
uggagccgaccuugaaauaccacccuuuaauguuugauguucuaacguug
acccguaauccggguugcggacagugucugguggguaguuugacuggggc
ggucuccuccuaaagaguaacggaggagcacgaagguuggcuaauccugg
ucggacaucaggagguuagugcaauggcauaagccagcuugacugcgagc
gugacggcgcgagcaggugcgaaagcaggucauagugauccggugguucu
gaauggaagggccaucgcucaacggauaaaagguacuccggggauaacag
gcugauaccgcccaagaguucauaucgacggcgguguuuggcaccucgau
gucggcucaucacauccuggggcugaaguaggucccaaggguauggcugu
ucgccauuuaaagugguacgcgagcuggguuuagaacgucgugagacagu
ucggucccuaucugccgugggcgcuggagaacugaggggggcugcuccua
guacgagaggaccggaguggacgcaucacugguguucggguugucaugcc
aauggcacugcccgguagcuaaaugcggaagagauaagugcugaaagcau
cuaagcacgaaacuugccccgagaugaguucucccugacccuuuaagggu
ccugaaggaacguugaagacgacgacguugauaggccggguguguaagcg
cagcgaugcguugagcuaaccgguacuaaugaaccgugaggcuuaaccu

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8p18 The compensatory mechanism of a naturally evolved E167K RF2 counteracting the loss of RF1 in bacteria
• Resolution: 2.77 Å
• Binding residue (original residue number in PDB): N24 A26 H29 Q30 Y35 A36 A39 R40 Q41 T43 R44 A45 Q46 K47 R49 A50 V52 T53 S55 K57 K58 Q62 K63 G64 G66 R67 A68 R69 G71 S75 I77 W78 R79 S80 V83 T84 F85 P89 Q94 K95 N97 K98 K99 M100 Y101 P129 K130 T131 L159 R162 N163 H165 T173
• Binding residue (residue number reindexed from 1): N24 A26 H29 Q30 Y35 A36 A39 R40 Q41 T43 R44 A45 Q46 K47 R49 A50 V52 T53 S55 K57 K58 Q62 K63 G64 G66 R67 A68 R69 G71 S75 I77 W78 R79 S80 V83 T84 F85 P89 Q94 K95 N97 K98 K99 M100 Y101 P129 K130 T131 L159 R162 N163 H165 T173

Gene Ontology

Molecular Function

• GO:0001070 RNA-binding transcription regulator activity
• GO:0003677 DNA binding
• GO:0003735 structural constituent of ribosome
• GO:0005515 protein binding
• GO:0019843 rRNA binding
• GO:0030371 translation repressor activity
• GO:0048027 mRNA 5'-UTR binding
• GO:0060698 endoribonuclease inhibitor activity

Biological Process

• GO:0002181 cytoplasmic translation
• GO:0006353 DNA-templated transcription termination
• GO:0006412 translation
• GO:0006417 regulation of translation
• GO:0017148 negative regulation of translation
• GO:0031555 transcriptional attenuation
• GO:0042255 ribosome assembly
• GO:0045892 negative regulation of DNA-templated transcription
• GO:0046677 response to antibiotic
• GO:2000766 negative regulation of cytoplasmic translation

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0005840 ribosome
• GO:0015934 large ribosomal subunit
• GO:0022625 cytosolic large ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:8p18, PDBe:8p18, PDBj:8p18
• PDBsum: 8p18
• UniProt: P60723|RL4_ECOLI Large ribosomal subunit protein uL4 (Gene Name=rplD)