Structure of PDB 6s0k Chain R Binding Site BS01

Receptor Information

>6s0k Chain R (length=117) Species: 562 (Escherichia coli)

ARVKRGVIARARHKKILKQAKGYYGARSRVYRVAFQAVIKAGQYAYRDRR
QRKRQFRQLWIARINAAARQNGISYSKFINGLKKASVEIDRKILADIAVF
DKVAFTALVEKAKAALA

Ligand information

>6s0k Chain A (length=2883)

gguuaagcgacuaagcguacacgguggaugcccuggcagucagaggcgau
gaaggacgugcuaaucugcgauaagcgucgguaaggugauaugaaccguu
auaaccggcgauuuccgaauggggaaacccaguguguuucgacacacuau
cauuaacugaauccauagguuaaugaggcgaaccgggggaacugaaacau
cuaaguaccccgaggaaaagaaaucaaccgagauucccccaguagcggcg
agcgaacggggagcagcccagagccugaaucaguguguguguuaguggaa
gcgucuggaaaggcgcgcgauacagggugacagccccguacacaaaaaug
cacaugcugugagcucgaugaguagggcgggacacgugguauccugucug
aauauggggggaccauccuccaaggcuaaauacuccugacugaccgauag
ugaaccaguaccgugagggaaaggcgaaaagaaccccggcgaggggagug
aaaaagaaccugaaaccguguacguacaagcagugggagcacgcuggcgu
gugacugcguaccuuuuguauaaugggucagcgacuuauauucuguagca
agguuaaccgaauaggggagccgaagggaaaccgagucuuaacugggcgu
uaaguugcaggguauagacccgaaacccggugaucuagccaugggcaggu
ugaagguuggguaacacuaacuggaggaccgaaccgacuaauguugaaaa
auuagcggaugacuuguggcugggggugaaaggccaaucaaaccgggaga
uagcugguucuccccgaaagcuauuuagguagcgccucgugaauucaucu
ccggggguagagcacuguuucggcaagggguuaccaacccgaugcaaacu
gcgaauaccggagaauguuaucacgggagacacacggcgggugcuaacgu
ccgucgugaagagggaaacaacccagaccgccagcuaaggucccaaaguc
augguuaagugggaaacgaugugggaaggcccagacagccaggauguugg
cuuagaagcagccaucauuuaaagaaagcguaauagcucacuggucgagu
cggccugcgcggaagauguaacggggcuaaaccaugcaccgaagcugcgg
cagcgacgcugcguuguuggguaggggagcguucuguaagccugcgaagg
ugugcugugaggcaugcuggagguaucagaagugcgaaugcugacauaag
uaacgauaaagcgggugaaaagcccgcucgccggaagaccaaggguuccu
guccaacguuaaucggggcagggugagucgaccccuaaggcgaggccgaa
aggcguagucgaugggaaacagguuaauauuccuguacuugguguuacug
cgaaggggggacggagaaggcuauguuggccgggcgacgguugucccggu
uuaagcguguaggcugguuuuccaggcaaauccggaaaaucaaggcugag
gcgugaugacgaggcacuacggugcugaagcaacaaaugcccugcuucca
ggaaaagccucuaagcaucagguaacaucaaaucguaccccaaaccgaca
cagguggucagguagagaauaccaaggcgcuugagagaacucgggugaag
gaacuaggcaaaauggugccguaacuucgggagaaggcacgcugauaugu
aggugaggucccucgcggauggagcugaaaucagucgaagauaccagcug
gcugcaacuguuuauuaaaaacacagcacugugcaaacacgaaaguggac
guauacggugugacgccugcccggugccggaagguuaauugaugggguua
gcgcaagcgaagcucuugaucgaagccccgguaaacggcggccguauaac
gguccuaagguagcgaaauuccuugucggguaaguuccgaccugcacgaa
uggcguaaugauggccaggcugucuccacccgagacucagugaaauugaa
cucgcugugaagaugcaguguacccgcggcaagacggaaagaccccguga
accuuuacuauagcuugacacugaacauugagccuugauguguaggauag
gugggaggcuuugaaguguggacgccagucugcauggagccgaccuugaa
auaccacccuuuaauguuugauguucuaacguugacccguaauccggguu
gcggacagugucugguggguaguuugacuggggcggucuccuccuaaaga
guaacggaggagcacgaagguuggcuaauccuggucggacaucaggaggu
uagugcaauggcauaagccagcuugacugcgagcgugacggcgcgagcag
gugcgaaagcaggucauagugauccggugguucugaauggaagggccauc
gcucaacggauaaaagguacuccggggauaacaggcugauaccgcccaag
aguucauaucgacggcgguguuuggcaccucgaugucggcucaucacauc
cuggggcugaaguaggucccaaggguauggcuguucgccauuuaaagugg
uacgcgagcuggguuuagaacgucgugagacaguucggucccuaucugcc
gugggcgcuggagaacugaggggggcugcuccuaguacgagaggaccgga
guggacgcaucacugguguucggguugucaugccaauggcacugcccggu
agcuaaaugcggaagagauaagugcugaaagcaucuaagcacgaaacuug
ccccgagaugaguucucccugacccuuuaaggguccugaaggaacguuga
agacgacgacguugauaggccggguguguaagcgcagcgaugcguugagc
uaaccgguacuaaugaaccgugaggcuuaaccu

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 6s0k The molecular mechanism of cotranslational membrane protein recognition and targeting by SecA.
• Resolution: 3.1 Å
• Binding residue (original residue number in PDB): A2 R3 V4 K5 R6 G7 R11 R13 H14 K15 K16 K22 G23 Y24 Y25 A27 R28 R30 V31 Y32 R33 F36 Q37 K41 A42 Y45 Y47 R48 D49 R50 R51 Q52 R53 K54 R55 Q56 F57 R58 Q59 W61 I62 N66 R70 S75 Y76 S77 N81 D91 R92 K93
• Binding residue (residue number reindexed from 1): A1 R2 V3 K4 R5 G6 R10 R12 H13 K14 K15 K21 G22 Y23 Y24 A26 R27 R29 V30 Y31 R32 F35 Q36 K40 A41 Y44 Y46 R47 D48 R49 R50 Q51 R52 K53 R54 Q55 F56 R57 Q58 W60 I61 N65 R69 S74 Y75 S76 N80 D90 R91 K92

Gene Ontology

Molecular Function

• GO:0000900 mRNA regulatory element binding translation repressor activity
• GO:0003729 mRNA binding
• GO:0003735 structural constituent of ribosome
• GO:0019843 rRNA binding
• GO:0070180 large ribosomal subunit rRNA binding

Biological Process

• GO:0000027 ribosomal large subunit assembly
• GO:0002181 cytoplasmic translation
• GO:0006412 translation
• GO:0017148 negative regulation of translation

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0005840 ribosome
• GO:0022625 cytosolic large ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:6s0k, PDBe:6s0k, PDBj:6s0k
• PDBsum: 6s0k
• PubMed: 31570874
• UniProt: P0A7L3|RL20_ECOLI Large ribosomal subunit protein bL20 (Gene Name=rplT)