Structure of PDB 8p18 Chain g Binding Site BS01

Receptor Information

>8p18 Chain g (length=224) Species: 562 (Escherichia coli)

VSMRDMLKAGVHFGHQTRYWNPKMKPFIFGARNKVHIINLEKTVPMFNEA
LAELNKIASRKGKILFVGTKRAASEAVKDAALSCDQFFVNHRWLGGMLTN
WKTVRQSIKRLKDLETQSQDGTFDKLTKKEALMRTRELEKLENSLGGIKD
MGGLPDALFVIDADHEHIAIKEANNLGIPVFAIVDTNSDPDGVDFVIPGN
DDAIRAVTLYLGAVAATVREGRSQ

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): R21 W23 P25 R95 G98 T102 N103 K105 T106 R139 I171 K174
• Binding residue (residue number reindexed from 1): R18 W20 P22 R92 G95 T99 N100 K102 T103 R136 I168 K171

Gene Ontology

Molecular Function

• GO:0003735 structural constituent of ribosome
• GO:0005515 protein binding
• GO:0008270 zinc ion binding

Biological Process

• GO:0000028 ribosomal small subunit assembly
• GO:0002181 cytoplasmic translation
• GO:0006412 translation

Cellular Component

• GO:0005737 cytoplasm
• 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: P0A7V0|RS2_ECOLI Small ribosomal subunit protein uS2 (Gene Name=rpsB)