Structure of PDB 4u20 Chain CD Binding Site BS02

Receptor Information

>4u20 Chain CD (length=205) Species: 83333 (Escherichia coli K-12)

ARYLGPKLKLSRREGTDLFLKSGVRAIDTKCKIEQAPGQHGARKPRLSDY
GVQLREKQKVRRIYGVLERQFRNYYKEAARLKGNTGENLLALLEGRLDNV
VYRMGFGATRAEARQLVSHKAIMVNGRVVNIASYQVSPNDVVSIREKAKK
QSRVKAALELAEQREKPTWLEVDAGKMEGTFKRKPERSDLSADINEHLIV
ELYSK

Ligand information

>4u20 Chain CA (length=1539)

aauugaagaguuugaucauggcucagauugaacgcuggcggcaggccuaa
cacaugcaagucgaacgguaacaggaagaagcuugcuucuuugcugacga
guggcggacgggugaguaaugucugggaaacugccugauggagggggaua
acuacuggaaacgguagcuaauaccgcauaacgucgcaagaccaaagagg
gggaccuucgggccucuugccaucggaugugcccagaugggauuagcuag
uaggugggguaacggcucaccuaggcgacgaucccuagcuggucugagag
gaugaccagccacacuggaacugagacacgguccagacuccuacgggagg
cagcaguggggaauauugcacaaugggcgcaagccugaugcagccaugcc
gcguguaugaagaaggccuucggguuguaaaguacuuucagcggggagga
agggaguaaaguuaauaccuuugcucauugacguuacccgcagaagaagc
accggcuaacuccgugccagcagccgcgguaauacggagggugcaagcgu
uaaucggaauuacugggcguaaagcgcacgcaggcgguuuguuaagucag
augugaaauccccgggcucaaccugggaacugcaucugauacuggcaagc
uugagucucguagagggggguagaauuccagguguagcggugaaaugcgu
agagaucuggaggaauaccgguggcgaaggcggcccccuggacgaagacu
gacgcucaggugcgaaagcguggggagcaaacaggauuagauacccuggu
aguccacgccguaaacgaugucgacuuggagguugugcccuugaggcgug
gcuuccggagcuaacgcguuaagucgaccgccuggggaguacggccgcaa
gguuaaaacucaaaugaauugacgggggcccgcacaagcgguggagcaug
ugguuuaauucgaugcaacgcgaagaaccuuaccuggucuugacauccac
ggaaguuuucagagaugagaaugugccuucgggaaccgugagacaggugc
ugcauggcugucgucagcucguguugugaaauguuggguuaagucccgca
acgagcgcaacccuuauccuuuguugccagcgguccggccgggaacucaa
aggagacugccagugauaaacuggaggaagguggggaugacgucaaguca
ucauggcccuuacgaccagggcuacacacgugcuacaauggcgcauacaa
agagaagcgaccucgcgagagcaagcggaccucauaaagugcgucguagu
ccggauuggagucugcaacucgacuccaugaagucggaaucgcuaguaau
cguggaucagaaugccacggugaauacguucccgggccuuguacacaccg
cccgucacaccaugggaguggguugcaaaagaaguagguagcuuaaccuu
cgggagggcgcuuaccacuuugugauucaugacuggggugaagucguaac
aagguaaccguaggggaaccugcgguuggaucaccuccu

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4u20 Synergy of streptogramin antibiotics occurs independently of their effects on translation.
• Resolution: 2.9 Å
• Binding residue (original residue number in PDB): A2 R3 L5 P7 K8 L9 K10 R13 R14 K22 G24 V25 R26 C32 A37 G39 Q40 H41 S49 Y51 Q54 R56 K58 Q59 R63 E69 R70 Q71 R73 R81 K83 T110 E113 Q116 S119 H120 K121 V130 N131 I132 S134 Y135 R146 R154 E202 S205 K206
• Binding residue (residue number reindexed from 1): A1 R2 L4 P6 K7 L8 K9 R12 R13 K21 G23 V24 R25 C31 A36 G38 Q39 H40 S48 Y50 Q53 R55 K57 Q58 R62 E68 R69 Q70 R72 R80 K82 T109 E112 Q115 S118 H119 K120 V129 N130 I131 S133 Y134 R145 R153 E201 S204 K205

Gene Ontology

Molecular Function

• GO:0000900 mRNA regulatory element binding translation repressor activity
• GO:0003723 RNA binding
• GO:0003735 structural constituent of ribosome
• GO:0005515 protein binding
• GO:0019843 rRNA binding
• GO:0048027 mRNA 5'-UTR binding

Biological Process

• GO:0000028 ribosomal small subunit assembly
• GO:0002181 cytoplasmic translation
• GO:0006353 DNA-templated transcription termination
• GO:0006412 translation
• GO:0006417 regulation of translation
• GO:0031564 transcription antitermination
• GO:0042254 ribosome biogenesis
• GO:0042274 ribosomal small subunit biogenesis
• GO:0045947 negative regulation of translational initiation
• GO:0046677 response to antibiotic
• GO:1990145 maintenance of translational fidelity

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0005840 ribosome
• GO:0015935 small ribosomal subunit
• GO:0022627 cytosolic small ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:4u20, PDBe:4u20, PDBj:4u20
• PDBsum: 4u20
• PubMed: 24957822
• UniProt: P0A7V8|RS4_ECOLI Small ribosomal subunit protein uS4 (Gene Name=rpsD)