Structure of PDB 8urx Chain b Binding Site BS01

Receptor Information

>8urx Chain b (length=76) Species: 562 (Escherichia coli)

TRNGRDSEAKRLGVKRFGGESVLAGSIIVRQRGTKFHAGANVGCGRDHTL
FAKADGKVKFEVKGPKNRKFISIEAE

Ligand information

>8urx Chain a (length=2880)

gguuaagcgacuaagcguacacgguggaugcccuggcagucagaggcgau
gaaggacgugcuaaucugcgauaagcgucgguaaggugauaugaaccguu
auaaccggcgauuuccgaauggggaaacccaguguguuucgacacacuau
cauuaacugaauccauagguuaaugaggcgaaccgggggaacugaaacau
cuaaguaccccgaggaaaagaaaucaaccgagauucccccaguagcggcg
agcgaacggggagcagcccagagccugaaucaguguguguguuaguggaa
gcgucuggaaaggcgcgcgauacagggugacagccccguacacaaaaaug
cacaugcugugagcucgaugaguagggcgggacacgugguauccugucug
aauauggggggaccauccuccaaggcuaaauacuccugacugaccgauag
ugaaccaguaccgugagggaaaggcgaaaagaaccccggcgaggggagug
aaaaagaaccugaaaccguguacguacaagcagugggagcacgcuuaggc
gugugacugcguaccuuuuguauaaugggucagcgacuuauauucuguag
caagguuaaccgaauaggggagccgaagggaaaccgagucuuaacugggc
guuaaguugcaggguauagacccgaaacccggugaucuagccaugggcag
guugaagguuggguaacacuaacuggaggaccgaaccgacuaaugaaaaa
uuagcggaugacuuguggcugggggugaaaggccaaucaaaccgggagau
agcugguucuccccgaaagcuauuuagguagcgccucgugaauucaucuc
cggggguagagcacuguuucggcaagggggucaacccgacuuaccaaccc
gaugcaaacugcgaauaccggagaauguuaucacgggagacacacggcgg
ggcuaacguccgucgugaagagggaaacaacccagaccgccagcuaaggu
cccaaagucaugguuaagugggaaacgaugugggaaggcccagacagcca
ggauguuggcuuagaagcagccaucauuuaaagaaagcguaauagcucac
uggucgagucggccugcgcggaagauguaacggggcuaaaccaugcaccg
aagcugcggcagcgacgcuuaugcguuguuggguaggggagcguucugua
agccugcgaaggugugcugugaggcaugcuggagguaucagaagugcgaa
ugcugacauaaguaacgauaaagcgggugaaaagcccgcucgccggaaga
ccaaggguuccuguccaacguuaaucggggcagggugagucgaccccuaa
ggcgaggccgaaaggcguagucgaugggaaacagguuaauauuccuguac
uugguguuacugcgaaggggggacggagaaggcuauguuggccgggcgac
gguugucccgguuuaagcguguaggcugguuuuccaggcaaauccggaaa
aucaaggcugaggcgugaugacgaggcacuacggugcugaagcaacaaau
gcccugcuuccaggaaaagccucuaagcaucagguaacaucaaaucguac
cccaaaccgacacgguggucagguagagaauaccaaggcgcuugagagaa
cucgggugaaggaacuaggcaaaauggugccguaacuucgggagaaggca
cgcugauauguaggugaggucccucgcggauggagcugaaaucagucgaa
gauaccagcuggcugcaacuguuuauuaaaaacacagcacugugcaaaca
cgaaaguggacguauacggugugacgccucccggugccggaagguuaauu
gaugggguuagcgcaagcgaagcucuugaucgaagccccgguaaacggcg
gccgaacaaacgguccuaagguagcgaaauccuugucggguaaguuccga
cugcacgaauggcguaaugauggccaggcugucuccacccgagacucagu
gaaauugaacucgcugugagaugcaguguacccgcggcaagacggaaaga
ccccguaaccuuacuauagcuugacacugaacauugagccuugaugugua
ggauaggugggaggcuuugaaguguggacgccagucugcauggagccgac
cuugaaauaccacccuuuaauguuugauguucuaacguugacccguaauc
cggguugcggacagugucugguggguaguuugacugggcggucuccuccu
aaagaguaacggaggagcacgaagguuggcuaauccuggucggacaucag
gagguuagugcaauggcauaagccagcuugacugcgagcgugacggcgcg
agcaggugcgaaagcaggucauagugauccggugguucugaauggaaggg
ccaucgcucaacggauaaaagguacuccgggauaacaggcgauaccgccc
aagaguucauaucgacggcgguguuuggcacucggucggcucaucacauc
cuggggcugaaguaggucccaaggguauggcguucgccauuuaaaguggu
acgcgagcggguuuagaacgucgugagacagucggucccuaucugccgug
ggcgcuggagaacugaggggggcugcuccuaguacgagaggaccggagug
gacgcaucacugguguucggguugucaugccaauggcacugcccgguagc
uaaaugcggaagagauaagugcugaaagcaucuaagcacgaaacuugccc
cgagaugaguucucccugacccuuuaaggguccugaaggaacguugaaga
cgacgacguugauaggccggguguguaagcgcagcgaugcguugagcuaa
ccgguacuaaugaaccgugaggcuuaaccu

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8urx Escherichia coli transcription-translation coupled complex class A (TTC-A) containing RfaH bound to ops signal, mRNA with a 21 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome
• Resolution: 6.6 Å
• Binding residue (original residue number in PDB): N12 R14 D15 S16 E17 A18 K19 R20 K24 F26 G27 E29 L32 A33 G34 S35 I36 R39 R41 G42 T43 K44 F45 H46 G54 R55 D56 H57 T58 F60 F69 K75 R77 K78
• Binding residue (residue number reindexed from 1): N3 R5 D6 S7 E8 A9 K10 R11 K15 F17 G18 E20 L23 A24 G25 S26 I27 R30 R32 G33 T34 K35 F36 H37 G45 R46 D47 H48 T49 F51 F60 K66 R68 K69

Gene Ontology

Molecular Function

• GO:0000049 tRNA binding
• GO:0003735 structural constituent of ribosome
• GO:0005515 protein binding
• GO:0019843 rRNA binding
• GO:0043022 ribosome binding

Biological Process

• GO:0000027 ribosomal large subunit assembly
• GO:0001558 regulation of cell growth
• GO:0002181 cytoplasmic translation
• GO:0006412 translation
• GO:0042256 cytosolic ribosome assembly
• GO:0090070 positive regulation of ribosome biogenesis
• GO:1902626 assembly of large subunit precursor of preribosome

Cellular Component

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

External links

• PDB: RCSB:8urx, PDBe:8urx, PDBj:8urx
• PDBsum: 8urx
• PubMed: 39117885
• UniProt: P0A7L8|RL27_ECOLI Large ribosomal subunit protein bL27 (Gene Name=rpmA)