Structure of PDB 8p18 Chain x Binding Site BS01

Receptor Information

>8p18 Chain x (length=84) Species: 562 (Escherichia coli)

PRSLKKGPFIDLHLLKKVEKAVESGDKKPLRTWSRRSTIFPNMIGLTIAV
HNGRQHVPVFVTDEMVGHKLGEFAPTRTYRGHAA

Ligand information

>8p18 Chain 2 (length=1536)

aaauugaagaguuugaucauggcucagauugaacgcuggcggcaggccua
acacaugcaagucgaacgguaacaggaagaauucuuugcugacgaguggc
ggacgggugaguaaugucugggaaacugccugauggagggggauaacuac
uggaaacgguagcuaauaccgcauaacgucgcaagaccaaagagggggac
cuucgggccucuugccaucggaugugcccagaugggauuagcuaguaggu
gggguaacggcucaccuaggcgacgaucccuagcuggucugagaggauga
ccagccacacuggaacugagacacgguccagacuccuacgggaggcagca
guggggaauauugcacaaugggcgcaagccugaugcagccaugccgcgug
uaugaagaaggccuucggguuguaaaguacuuucagcggggaggaaggga
guaaaguuaauaccuuugcucauugacguuacccgcagaagaagcaccgg
cuaacuccgugccagcagccgcgguaauacggagggugcaagcguuaauc
ggaauuacugggcguaaagcgcacgcaggcgguuuguuaagucagaugug
aaauccccgggcucaaccugggaacugcaucugauacuggcaagcuugag
ucucguagagggggguagaauuccagguguagcggugaaaugcguagaga
ucuggaggaauaccgguggcgaaggcggcccccuggacgaagacugacgc
ucaggugcgaaagcguggggagcaaacaggauuagauacccugguagucc
acgccguaaacgaugucgacuuggagguugugcccuugaggcguggcuuc
cggagcuaacgcguuaagucgaccgccuggggaguacggccgcaagguua
aaacucaaaugaauugacgggggcccgcacaagcgguggagcaugugguu
uaauucgaugcaacgcgaagaaccuuaccuggucuugacauccacggaag
uuuucagagaugagaaugugccuucgggaaccgugagacaggugcugcau
ggcugucgucagcucguguugugaaauguuggguuaagucccgcaacgag
cgcaacccuuauccuuuguugccagcgguccggccgggaacucaaaggag
acugccagugauaaacuggaggaagguggggaugacgucaagucaucaug
gcccuuacgaccagggcuacacacgugcuacaauggcgcauacaaagaga
agcgaccucgcgagagcaagcggaccucauaaagugcgucguaguccgga
uuggagucugcaacucgacuccaugaagucggaaucgcuaguaaucgugg
aucagaaugccacggugaauacguucccgggccuuguacacaccgcccgu
cacaccaugggaguggguugcaaaagaaguagguagcuuaaccuucggga
gggcgcuuaccacuuugugauucaugacuggggugaagucguaacaaggu
aaccguaggggaaccugcgguuggaucaccuccuua

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

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): P2 R3 S4 L5 K6 K7 F10 H14 K18 W34 R36 R37 H52 G54 R55 K70 G72 E73 T77 R78 T79 Y80 H83
• Binding residue (residue number reindexed from 1): P1 R2 S3 L4 K5 K6 F9 H13 K17 W33 R35 R36 H51 G53 R54 K69 G71 E72 T76 R77 T78 Y79 H82

Gene Ontology

Molecular Function

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

Biological Process

• GO:0000028 ribosomal small subunit assembly
• 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:8p18, PDBe:8p18, PDBj:8p18
• PDBsum: 8p18
• UniProt: P0A7U3|RS19_ECOLI Small ribosomal subunit protein uS19 (Gene Name=rpsS)