Structure of PDB 6ny6 Chain Y Binding Site BS01

Receptor Information

>6ny6 Chain Y (length=84) Species: 562 (Escherichia coli)

MKLIWSEESWDDYLYWQETDKRIVKKINELIKDTRRTPFEGKGKPEPLKH
NLSGFWSRRITEEHRLVYAVTDDSLLIAACRYHY

Ligand information

>6ny6 Chain A (length=1513)

uggagaguuugauccuggcucagggugaacgcuggcggcgugccuaagac
augcaagucgugcgggccgcgggguuuuacuccguggucagcggcggacg
ggugaguaacgcgugggugaccuacccggaagagggggacaacccgggga
aacucgggcuaaucccccauguggacccgccccuugggguguguccaaag
ggcuuugcccgcuuccggaugggcccgcgucccaucagcuaguugguggg
guaauggcccaccaaggcgacgacggguagccggucugagaggauggccg
gccacaggggcacugagacacgggccccacuccuacgggaggcagcaguu
aggaaucuuccgcaaugggcgcaagccugacggagcgacgccgcuuggag
gaagaagcccuucgggguguaaacuccugaacccgggacgaaacccccga
cgaggggacugacgguaccgggguaauagcgccggccaacuccgugccag
cagccgcgguaauacggagggcgcgagcguuacccggauucacugggcgu
aaagggcguguaggcggccuggggcgucccaugugaaagaccacggcuca
accgugggggagcgugggauacgcucaggcuagacggugggagagggugg
uggaauucccggaguagcggugaaaugcgcagauaccgggaggaacgccg
auggcgaaggcagccaccugguccacccgugacgcugaggcgcgaaagcg
uggggagcaaaccggauuagauacccggguaguccacgcccuaaacgaug
cgcgcuaggucucugggucuccugggggccgaagcuaacgcguuaagcgc
gccgccuggggaguacggccgcaaggcugaaacucaaaggaauugacggg
ggcccgcacaagcgguggagcaugugguuuaauucgaagcaacgcgaaga
accuuaccaggccuugacaugcuagggaacccgggugaaagccuggggug
ccccgcgaggggagcccuagcacaggugcugcauggccgucgucagcucg
ugccgugagguguuggguuaagucccgcaacgagcgcaacccccgccguu
aguugccagcgguucggccgggcacucuaacgggacugcccgcgaaagcg
ggaggaaggaggggacgacgucuggucagcauggcccuuacggccugggc
gacacacgugcuacaaugcccacuacaaagcgaugccacccggcaacggg
gagcuaaucgcaaaaaggugggcccaguucggauuggggucugcaacccg
accccaugaagccggaaucgcuaguaaucgcggaucagccaugccgcggu
gaauacguucccgggccuuguacacaccgcccgucacgccaugggagcgg
gcucuacccgaagucgccgggagccuacgggcaggcgccgaggguagggc
ccgugacuggggcgaagucguaacaagguagcuguaccggaaggugcggc
uggaucacuuucu

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 6ny6 Monomeric YoeB toxin retains RNase activity but adopts an obligate dimeric form for thermal stability.
• Resolution: 3.74 Å
• Binding residue (original residue number in PDB): E18 R22 K26 K42 G43 K44 E46 P47 L48 K49 E62
• Binding residue (residue number reindexed from 1): E18 R22 K26 K42 G43 K44 E46 P47 L48 K49 E62

Enzymatic activity

• Enzyme Commision number: 3.1.-.-

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• GO:0004519 endonuclease activity
• GO:0004521 RNA endonuclease activity
• GO:0005515 protein binding
• GO:0016892 RNA endonuclease activity, producing 3'-phosphomonoesters
• GO:0042803 protein homodimerization activity
• GO:0043024 ribosomal small subunit binding

Biological Process

• GO:0006355 regulation of DNA-templated transcription
• GO:0006401 RNA catabolic process
• GO:0006402 mRNA catabolic process
• GO:0009408 response to heat
• GO:0040008 regulation of growth
• GO:0044010 single-species biofilm formation
• GO:0045947 negative regulation of translational initiation
• GO:0098795 global gene silencing by mRNA cleavage

Cellular Component

• GO:0110001 toxin-antitoxin complex

External links

• PDB: RCSB:6ny6, PDBe:6ny6, PDBj:6ny6
• PDBsum: 6ny6
• PubMed: 31501867
• UniProt: P69348|YOEB_ECOLI Toxin YoeB (Gene Name=yoeB)