Structure of PDB 7abz Chain B Binding Site BS01

Receptor Information

>7abz Chain B (length=271) Species: 83333 (Escherichia coli K-12)

AVVKCKPTSPGRRHVVKVVNPELHKGKPFAPLLEKNSKSGGRNNNGRITT
RHIGGGHKQAYRIVDFKRNKDGIPAVVERLEYDPNRSANIALVLYKDGER
RYILAPKGLKAGDQIQSGVDAAIKPGNTLPMRNIPVGSTVHNVEMKPGKG
GQLARSAGTYVQIVARDGAYVTLRLRSGEMRKVEADCRATLGEVGNAEHM
LRVLGKAGAARWRGVRPTVRGTAMNPVDHPHGGGEGRNFGKHPVTPWGVQ
TKGKKTRSNKRTDKFIVRRRS

Ligand information

>7abz Chain 1 (length=2904)

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
ccuu

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7abz Structures of tmRNA and SmpB as they transit through the ribosome.
• Resolution: 3.21 Å
• Binding residue (original residue number in PDB): K7 P8 T9 S10 P11 G12 R13 R14 H15 E35 K36 K39 S40 G42 R43 N44 N45 N46 G47 R48 I49 T50 T51 R52 H53 G56 H58 K59 Q60 A61 Y62 R63 Y83 P85 N86 R87 L95 D98 G99 E100 R101 M146 K147 K150 Q153 L154 A155 R156 S157 A158 G159 T160 Y171 L176 R177 S178 E180 R182 A198 H200 M201 L205 G206 K207 A208 G209 A211 R212 W213 R214 R217 P218 T219 V220 R221 G222 T223 M225 N226 P227 V228 D229 G234 G235 E236 G237 R238 N239 F240 G241 K242 H243 P244 W248 K253 G254 K255 T257 R258 S259 K261 R262 T263 R270 R271
• Binding residue (residue number reindexed from 1): K6 P7 T8 S9 P10 G11 R12 R13 H14 E34 K35 K38 S39 G41 R42 N43 N44 N45 G46 R47 I48 T49 T50 R51 H52 G55 H57 K58 Q59 A60 Y61 R62 Y82 P84 N85 R86 L94 D97 G98 E99 R100 M145 K146 K149 Q152 L153 A154 R155 S156 A157 G158 T159 Y170 L175 R176 S177 E179 R181 A197 H199 M200 L204 G205 K206 A207 G208 A210 R211 W212 R213 R216 P217 T218 V219 R220 G221 T222 M224 N225 P226 V227 D228 G233 G234 E235 G236 R237 N238 F239 G240 K241 H242 P243 W247 K252 G253 K254 T256 R257 S258 K260 R261 T262 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:7abz, PDBe:7abz, PDBj:7abz
• PDBsum: 7abz
• PubMed: 34389707
• UniProt: P60422|RL2_ECOLI Large ribosomal subunit protein uL2 (Gene Name=rplB)