Structure of PDB 7n30 Chain SR Binding Site BS01

Receptor Information

>7n30 Chain SR (length=66) Species: 83333 (Escherichia coli K-12)

KFCRFTAEGVQEIDYKDIATLKNYITESGKIVPSRITGTRAKYQRQLARA
IKRARYLSLLPYTDRH

Ligand information

>7n30 Chain 16 (length=1526)

aaauugaagaguuugaucauggcucagauugaacgcuggcggcaggccua
acacaugcaagucgaacgguaacaggaagaucuuugcugacgaguggcgg
acgggugaguaaugucugggaaacugccugauggagggggauaacuacug
gaaacgguagcuaauaccgcauaacgucgcaagaccaaagagggggaccu
ucgggccucuugccaucggaugugcccagaugggauuagcuaguaggugg
gguaacggcucaccuaggcgacgaucccuagcuggucugagaggaugacc
agccacacuggaacugagacacgguccagacuccuacgggaggcagcagu
ggggaauauugcacaaugggcgcaagccugaugcagccaugccgcgugua
ugaagaaggccuucggguuguaaaguacuuucagcggggaggaagggagu
aaaguuaauaccuuugcucauugacguuacccgcagaagaagcaccggcu
aacuccgugccagcagccgcgguaauacggagggugcaagcguuaaucgg
aauuacugggcguaaagcgcacgcaggcgguuuguuaagucagaugugaa
auccccgggcucaaccugggaacugcaucugauacuggcaagcuugaguc
ucguagagggggguagaauuccagguguagcggugaaaugcguagagauc
uggaggaauaccgguggcgaaggcggcccccuggacgaagacugacgcuc
aggugcgaaagcguggggagcaaacaggauuagauacccugguaguccac
gccguaaacgaugucgacuuggagguugugcccuugaggcguggcuuccg
gagcuaacgcguuaagucgaccgccuggggaguacggccgcaagguuaaa
acucaaaugaauugacgggggcccgcacaagcgguggagcaugugguuua
auucgaugcaacgcgaagaaccuuaccuggucuugacauccacggaaguu
uucagagaugagaaugugccuucgggaaccgugagacaggugcugcaugg
cugucgucagcucguguugugaaauguuggguuaagucccgcaacgagcg
caacccuuauccuuuguugccagcgguccggccgggaacucaaaggagac
ugccagugauaaacuggaggaagguggggaugacgucaagucaucauggc
ccuuacgaccagggcuacacacgugcuacaauggcgcauacaaagagaag
cgaccucgcgagagcaagcggaccucauaaagugcgucguaguccggauu
ggagucugcaacucgacuccaugaagucggaaucgcuaguaaucguggau
cagaaugccacggugaauacguucccgggccuuguacacaccgcccguca
caccaugggaguggguugcaaaagaaguagguagcuuaaccuucgggagg
gcgcuuaccacuuugugauucaugacuggggugaagucguaacaagguaa
ccguaggggaaccugcgguuggauca

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7n30 Structural basis of early translocation events on the ribosome.
• Resolution: 2.66 Å
• Binding residue (original residue number in PDB): F10 K38 I39 P41 S42 K50 Q52 R53 R57 K60 R61 R63 Y64 Y70
• Binding residue (residue number reindexed from 1): F2 K30 I31 P33 S34 K42 Q44 R45 R49 K52 R53 R55 Y56 Y62

Gene Ontology

Molecular Function

• GO:0003735 structural constituent of ribosome
• GO:0005515 protein binding
• GO:0019843 rRNA binding
• GO:0048027 mRNA 5'-UTR binding
• GO:0070181 small ribosomal subunit rRNA binding

Biological Process

• GO:0002181 cytoplasmic translation
• GO:0006412 translation

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0005840 ribosome
• GO:0022627 cytosolic small ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:7n30, PDBe:7n30, PDBj:7n30
• PDBsum: 7n30
• PubMed: 34234344
• UniProt: P0A7T7|RS18_ECOLI Small ribosomal subunit protein bS18 (Gene Name=rpsR)