Structure of PDB 6q9a Chain B Binding Site BS01

Receptor Information

>6q9a Chain B (length=271) Species: 562 (Escherichia coli)

AVVKCKPTSPGRRHVVKVVNPELHKGKPFAPLLEKNSKSGGRNNNGRITT
RHIGGGHKQAYRIVDFKRNKDGIPAVVERLEYDPNRSANIALVLYKDGER
RYILAPKGLKAGDQIQSGVDAAIKPGNTLPMRNIPVGSTVHNVEMKPGKG
GQLARSAGTYVQIVARDGAYVTLRLRSGEMRKVEADCRATLGEVGNAEHM
LRVLGKAGAARWRGVRPTVRGTAMNPVDHPHGGGEGRNFGKHPVTPWGVQ
TKGKKTRSNKRTDKFIVRRRS

Ligand information

>6q9a Chain 1 (length=2903)

gguuaagcgacuaagcguacacgguggaugcccuggcagucagaggcgau
gaaggacgugcuaaucugcgauaagcgucgguaaggugauaugaaccguu
auaaccggcgauuuccgaauggggaaacccaguguguuucgacacacuau
cauuaacugaauccauagguuaaugaggcgaaccgggggaacugaaacau
cuaaguaccccgaggaaaagaaaucaaccgagauucccccaguagcggcg
agcgaacggggagcagcccagagccugaaucaguguguguguuaguggaa
gcgucuggaaaggcgcgcgauacagggugacagccccguacacaaaaaug
cacaugcugugagcucgaugaguagggcgggacacgugguauccugucug
aauauggggggaccauccuccaaggcuaaauacuccugacugaccgauag
ugaaccaguaccgugagggaaaggcgaaaagaaccccggcgaggggagug
aaaaagaaccugaaaccguguacguacaagcagugggagcacgcuuaggc
gugugacugcguaccuuuuguauaaugggucagcgacuuauauucuguag
caagguuaaccgaauaggggagccgaagggaaaccgagucuuaacugggc
guuaaguugcaggguauagacccgaaacccggugaucuagccaugggcag
guugaagguuggguaacacuaacuggaggaccgaaccgacuaauguugaa
aaauuagcggaugacuuguggcugggggugaaaggccaaucaaaccggga
gauagcugguucuccccgaaagcuauuuagguagcgccucgugaauucau
cuccggggguagagcacuguuucggcaagggggucaacccgacuuaccaa
cccgaugcaaacugcgaauaccggagaauguuaucacgggagacacacgg
cgggugcuaacguccgucgugaagagggaaacaacccagaccgccagcua
aggucccaaagucaugguuaagugggaaacgaugugggaaggcccagaca
gccaggauguuggcuuagaagcagccaucauuuaaagaaagcguaauagc
ucacuggucgagucggccugcgcggaagauguaacggggcuaaaccaugc
accgaagcugcggcagcgacgcuuaugcguuguuggguaggggagcguuc
uguaagccugcgaaggugugcugugaggcaugcuggagguaucagaagug
cgaaugcugacauaaguaacgauaaagcgggugaaaagcccgcucgccgg
aagaccaaggguuccuguccaacguuaaucggggcagggugagucgaccc
cuaaggcgaggccgaaaggcguagucgaugggaaacagguuaauauuccu
guacuugguguuacugcgaaggggggacggagaaggcuauguuggccggg
cgacgguugucccgguuuaagcguguaggcugguuuuccaggcaaauccg
gaaaaucaaggcugaggcgugaugacgaggcacuacggugcugaagcaac
aaaugcccugcuuccaggaaaagccucuaagcaucagguaacaucaaauc
guaccccaaaccgacacagguggucagguagagaauaccaaggcgcuuga
gagaacucgggugaaggaacuaggcaaaauggugccguaacuucgggaga
aggcacgcugauauguaggugaggucccucgcggauggagcugaaaucag
ucgaagauaccagcuggcugcaacuguuuauuaaaaacacagcacugugc
aaacacgaaaguggacguauacggugugacgccugcccggugccggaagg
uuaauugaugggguuagcgcaagcgaagcucuugaucgaagccccgguaa
acggcggccguaacuauaacgguccuaagguagcgaaauuccuugucggg
uaaguuccgaccugcacgaauggcguaaugauggccaggcugucuccacc
cgagacucagugaaauugaacucgcugugaagaugcaguguacccgcggc
aagacggaaagaccccgugaaccuuuacuauagcuugacacugaacauug
agccuugauguguaggauaggugggaggcuuugaaguguggacgccaguc
ugcauggagccgaccuugaaauaccacccuuuaauguuugauguucuaac
guugacccguaauccggguugcggacagugucugguggguaguuugacug
gggcggucuccuccuaaagaguaacggaggagcacgaagguuggcuaauc
cuggucggacaucaggagguuagugcaauggcauaagccagcuugacugc
gagcgugacggcgcgagcaggugcgaaagcaggucauagugauccggugg
uucugaauggaagggccaucgcucaacggauaaaagguacuccggggaua
acaggcugauaccgcccaagaguucauaucgacggcgguguuuggcaccu
cgaugucggcucaucacauccuggggcugaaguaggucccaaggguaugg
cuguucgccauuuaaagugguacgcgagcuggguuuagaacgucgugaga
caguucggucccuaucugccgugggcgcuggagaacugaggggggcugcu
ccuaguacgagaggaccggaguggacgcaucacugguguucggguuguca
ugccaauggcacugcccgguagcuaaaugcggaagagauaagugcugaaa
gcaucuaagcacgaaacuugccccgagaugaguucucccugacccuuuaa
ggguccugaaggaacguugaagacgacgacguugauaggccgggugugua
agcgcagcgaugcguugagcuaaccgguacuaaugaaccgugaggcuuaa
ccu

<<<<<<<<......<<<<<<<<<<<....{[[..[[<<<<<<<[[<<...
...<<<<<<....(((.>>>.....<<<<<<<..<<<)))....>>>...
...>>>>>>>...>>>....<<<....>>><<<<<<<....>>>>>>>.<
<<<<<<<<.........>>>>>>>>>.>>...<<<<<<.....<<....>
>......>>>>>.>.........<<....>>..<<<<<<.....<<....
.>>....>>>>>>..(((..<<<<....<.<<<<<<<<<<<<<.<<<...
<<<<<......>>>>>((......<<<.....))>>>...>>>...>>>>
>>>>>>>>>>..>>>>........<<<<<<<<.........>>>>>>>>.
.....<<<<<..<<<<>>>>>..)))......]].>>>>>>>.]].....
..........<<....>>....]].........<<<<.....>>>>....
.........}....>>>>>>>>>>>.......<<<<..<<<<<<....>>
>>>>..>>>>...<.<........>.>.<<<<<<....<<<<<<<<<<<<
<..<<<...<<.....>>...>>>...<<....>>..<<<<.....>>>>
.....>>>>>>>>>>>>>..<<.<..<<<<<<<.....<<<<<<<<<..<
<<....<<<<<<......>>>>>>.....>>>...<<<.<<<<<......
..>>>>>>>>....>>>>>>>>>...<<<.....>>>......>>>>>>.
..>..>.>>..<<<<<<....<<<<<....>>>>>.<<<<<<<<...<<<
<<<<<<.....<<<...<<<.<<<<...<<..<<.......>>...>>..
.>>>>.>>>..>>.>.....>>>>>>.>>>...>>>>>>>.>...<<<<<
<<<<<......>>>>>>>>>>....<<<......>>>...<<<<.<<<..
.<<<(((.....<<<<<<...........<<..<<<<<..<<........
<<<<<.<<...<<<.........>>>...>>........<<<......>>
>..>>>>>....>>..>>>>>.>>...........))).....>>>>>>.
>>>...>>>>>>><<<<<<<<<....>>>>>>>>>....>>>>>><.<<<
<<...<<<......<<<<<<<<....>>>>>>>>...>>>..>>>>>..>
.....>>>>>><......<<.....<<<<<<.......>>>>>><<<<..
..<<<<<.<<...<<<<<<...<<.....>>.>>>>>>....((<<<.<<
<.<.<<<...<<<....>>>...>>>..>>>>..<<<<<........>>>
>>))<<<<<<<<<<<<<...<<<<....<<<<..<<<..<<<<<<<<<<<
....(((...>>>>>><<..<<<<...<<<<<<<<<<<<.<<.....>>>
>>>>>>>..>>>>...>>>>...>><..<<<<<<..>>>>>>...>>>>>
>...>>>...>>>>.........>>>>...>>....>>>>>>>>>>>.>>
>..>>.....<<......>>>>>>>.<<<<.....>>>>..>>>>..<<<
<....<<<<<<<<.<<.........<.....<<<<<.....<..>.....
.>>>>><<<<<<.....<<<...<<<<.....>>>>...>>>...>>>>>
>............<<<<<<<<<..<<<.........>>>..<<<<<<<..
...<<<....>>>.......>>>>>>>.<<<<<.<<<..<<<<<<<..<<
<....<...<<<<<<.<<....>>..>>>>>>.>......>>>>>>>>..
>>>>><<<<<<.......>>>>>>........<...........<<<<<<
.....>>>>>>.....>....>>>>>..>>.>>>>>>>..>..>>.>>>>
>>>>.>>>>>>.....>.....<<<<<........>>>>>..<<<<<<<<
.(((.[[......<<<<.[[<<<<..<<<<<.<<<.<<<<<.<<<<<<<<
.<<................<<.....<<.......<<.<..<......>.
.>.>>....>>...............>>.......>>.>>>>>>>>...<
<<.<<<<<<.....>>>>>>>>>....>>>>>.>>>..>>>>>..<<<<.
....>>>><<<<<<...........>>>>>>..<<...<<<<<<<...<<
<<<<.......>>>>>>.....<<...(((>>....>>>>>>>...<<<<
..<<<<....>>>>..>>>>.<<<....>>>.>>))).......<<<<<<
<.((..>>>>..))>>>>>>>.............>>>>..]]>>>>....
...<<<<.<.<<<<<<...<<.......>>...>>>>>>...>>>>.>..
.....<<<<<.<<<<<<..<<<<<<<<<......>>>>>>..>>>.<<<<
<.....>>>>>.....>>>>>..>...>>>.>>....<<<<<<<....>>
>.>>>>....]]..)))>>>>>>>>....<<<<<<<...<<<<..<<<<<
<<...............>>>>>>>.<<<<<...<<<<...<<<<<<<<<<
<))).>>>>>>..>>>>>...>>>>.>>>>>...<<<....<<<<<....
.......>>>>>....>>>.>>>>.......>>>>>>>..<<<<<.....
>>>>><....<<..<<<<<.......>>>>>....<<<<<<<<..<<...
.<<<<<....>>>>>...>>...>>>>>.>>>.....>>..>..>>>>>>
>>.

Receptor-Ligand Complex Structure

Structure summary

• PDB: 6q9a How a circularized tmRNA moves through the ribosome.
• Resolution: 3.7 Å
• Binding residue (original residue number in PDB): K7 P8 T9 P11 R13 R14 H15 K36 K39 S40 G42 R43 N44 N45 N46 G47 R48 I49 T50 T51 R52 H53 G56 H58 K59 Q60 A61 Y62 R63 G73 I74 Y83 R87 K97 D98 G99 E100 R101 K147 G149 K150 Q153 L154 A155 R156 S157 A158 T160 Y171 L176 R177 S178 E180 R182 H200 M201 L205 G206 K207 A208 G209 R212 W213 R217 P218 T219 V220 R221 G222 T223 A224 M225 N226 V228 D229 H232 G235 E236 R238 N239 F240 G241 H243 P247 W248 T252 K253 G254 K255 K256 T257 R258 K261 R262 T263 K265 R270 R271
• Binding residue (residue number reindexed from 1): K6 P7 T8 P10 R12 R13 H14 K35 K38 S39 G41 R42 N43 N44 N45 G46 R47 I48 T49 T50 R51 H52 G55 H57 K58 Q59 A60 Y61 R62 G72 I73 Y82 R86 K96 D97 G98 E99 R100 K146 G148 K149 Q152 L153 A154 R155 S156 A157 T159 Y170 L175 R176 S177 E179 R181 H199 M200 L204 G205 K206 A207 G208 R211 W212 R216 P217 T218 V219 R220 G221 T222 A223 M224 N225 V227 D228 H231 G234 E235 R237 N238 F239 G240 H242 P246 W247 T251 K252 G253 K254 K255 T256 R257 K260 R261 T262 K264 R269 R270

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• GO:0003735 structural constituent of ribosome
• GO:0005515 protein binding
• GO:0008270 zinc ion binding
• GO:0016740 transferase activity
• GO:0019843 rRNA binding

Biological Process

• GO:0000027 ribosomal large subunit assembly
• GO:0002181 cytoplasmic translation
• GO:0006412 translation
• GO:0032297 negative regulation of DNA-templated DNA replication initiation

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0005840 ribosome
• GO:0015934 large ribosomal subunit
• GO:0022625 cytosolic large ribosomal subunit
• GO:1990082 DnaA-L2 complex
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:6q9a, PDBe:6q9a, PDBj:6q9a
• PDBsum: 6q9a
• PubMed: 30765567
• UniProt: P60422|RL2_ECOLI Large ribosomal subunit protein uL2 (Gene Name=rplB)