Structure of PDB 4www Chain XB Binding Site BS02

Receptor Information

>4www Chain XB (length=218) Species: 83333 (Escherichia coli K-12)

MLKAGVHFGHQTRYWNPKMKPFIFGARNKVHIINLEKTVPMFNEALAELN
KIASRKGKILFVGTKRAASEAVKDAALSCDQFFVNHRWLGGMLTNWKTVR
QSIKRLKDLETQSQDGTFDKLTKKEALMRTRELEKLENSLGGIKDMGGLP
DALFVIDADHEHIAIKEANNLGIPVFAIVDTNSDPDGVDFVIPGNDDAIR
AVTLYLGAVAATVREGRS

Ligand information

>4www Chain XA (length=1530)

ugaagaguuugaucauggcucagauugaacgcuggcggcaggccuaacac
augcaagucgaacgguaacaggaagaagcuugcuucuuugcugacgagug
gcggacgggugaguaaugucugggaaacugccugauggagggggauaacu
acuggaaacgguagcuaauaccgcauaacgucgcaagaccaaagaggggg
accuucgggccucuugccaucggaugugcccagaugggauuagcuaguag
gugggguaacggcucaccuaggcgacgaucccuagcuggucugagaggau
gaccagccacacuggaacugagacacgguccagacuccuacgggaggcag
caguggggaauauugcacaaugggcgcaagccugaugcagccaugccgcg
uguaugaagaaggccuucggguuguaaaguacuuucagcggggaggaagg
gaguaaaguuaauaccuuugcucauugacguuacccgcagaagaagcacc
ggcuaacuccgugccagcagccgcgguaauacggagggugcaagcguuaa
ucggaauuacugggcguaaagcgcacgcaggcgguuuguuaagucagaug
ugaaauccccgggcucaaccugggaacugcaucugauacuggcaagcuug
agucucguagagggggguagaauuccagguguagcggugaaaugcguaga
gaucuggaggaauaccgguggcgaaggcggcccccuggacgaagacugac
gcucaggugcgaaagcguggggagcaaacaggauuagauacccugguagu
ccacgccguaaacgaugucgacuuggagguugugcccuugaggcguggcu
uccggagcuaacgcguuaagucgaccgccuggggaguacggccgcaaggu
uaaaacucaaaugaauugacgggggcccgcacaagcgguggagcaugugg
uuuaauucgaugcaacgcgaagaaccuuaccuggucuugacauccacgga
aguuuucagagaugagaaugugccuucgggaaccgugagacaggugcugc
auggcugucgucagcucguguugugaaauguuggguuaagucccgcaacg
agcgcaacccuuauccuuuguugccagcgguccggccgggaacucaaagg
agacugccagugauaaacuggaggaagguggggaugacgucaagucauca
uggcccuuacgaccagggcuacacacgugcuacaauggcgcauacaaaga
gaagcgaccucgcgagagcaagcggaccucauaaagugcgucguaguccg
gauuggagucugcaacucgacuccaugaagucggaaucgcuaguaaucgu
ggaucagaaugccacggugaauacguucccgggccuuguacacaccgccc
gucacaccaugggaguggguugcaaaagaaguagguagcuuaaccuucgg
gagggcgcuuaccacuuugugauucaugacuggggugaagucguaacaag
guaaccguaggggaaccugcgguuggauca

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4www Binding and action of CEM-101, a new fluoroketolide antibiotic that inhibits protein synthesis.
• Resolution: 3.1 Å
• Binding residue (original residue number in PDB): R20 W22 P24 K25 R94 G97 G98 T101 N102 T105 E174
• Binding residue (residue number reindexed from 1): R13 W15 P17 K18 R87 G90 G91 T94 N95 T98 E167

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:0015935 small ribosomal subunit
• GO:0022627 cytosolic small ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:4www, PDBe:4www, PDBj:4www
• PDBsum: 4www
• PubMed: 20855725
• UniProt: P0A7V0|RS2_ECOLI Small ribosomal subunit protein uS2 (Gene Name=rpsB)