Structure of PDB 8ipb Chain IA Binding Site BS01

Receptor Information

>8ipb Chain IA (length=144) Species: 4565 (Triticum aestivum)

TTRFKKNRKKRGHVSAGHGRVGKHRKHPGGRGNAGGMHHHRILFDKYHPG
YFGKVGMRYFHKLSNRFYTPTVNVERLWSMVPSDKAAEAGGDKAPVVDVS
QFGYFKVLGKGMLPEKPIVVKAKLISKIAEKKIKAAGGAVVLVA

Ligand information

>8ipb Chain RB (length=3147)

gcgcgaccccaggucaggcgggacuaccgcugaguuuaagcauauaaaua
agcggaggagaagaaacuuacaaggauuccccuaguaacggcgagcgaac
cgggagcagcccagcuugagaaucgggcggcugugccguccgaauuguag
ucuggagaggcguccucagcgacggaccgggcccaaguccccuggaaagg
ggcgccugggagggugagagccccguccggcccggacccugucgccccac
gaggcgccgucaacgagucggguuguuugggaaugcagcccaaaucgggc
gguagacuccguccaaggcuaaauacaggcgagagaccgauagcgaacaa
guaccgcgagggaaagaugaaaaggacuuugaaaagagagucaaagagug
cuugaaauugccgggagggaagcggaugggggccggcgaugcgccccggc
gcucggggcguggacuguugucggccgcgccggcggccaaagcccggggg
cuccgcgcccccggcagccgucgucggcacggccgguacccgcgcgccga
aaggcgugccccucggggcacugcgcugcaacgcccugcgggcucuccau
ccgacccgucuugaaacacggaccaaggagucugacaugcgugcgagucg
acggguucugaaaccugggaugcgcaaggaagcugacgagcgggaggccc
ucacgggccgcaccgcuggccgacccugaucuucugugaaggguucgagu
uggagcacgccugucgggacccgaaagauggugaacuaugccugagcggg
gcgaagccagaggaaacucugguggaggcucgaagcgauacugacgugca
aaucguucgucugacuuggguauaggggcgaaagacuaaucgaaccaucu
aguagcugguucccuccgaaguuucccucaggauagcuggagcccauuac
gaguucuaucagguaaagccaaugauuagaggcauuggggacgcaacguc
cucgaccuauucucaaacuuuaaauagguaggauggcgcggcugcuucgg
ugagccgugccauggaaucgggugcuccaagugggccauuuuugguaagc
agaacuggcgaugcgggaugaaccggaagccggguuacggugcccaacug
cgcgcuaaccuagaacccacaaaggguguuggucgauuaagacagcagga
cgguggucauggaagucgaaauccgcuaaggaguguguaacaacucaccu
gccgaaucaacuagccccgaaaauggauggcgcugaagcgcgcgacccac
acccggccaucugggcgagugccaugccccgaugaguaggagggcgcggc
ggccgaugcaaaacccggggcgcgagcccgggcggagcggccgucggugc
agaucuuggugguaguagcaaauauucaaaugagaacuuugaaggccgaa
gaggagaaagguuccaugugaacggcacuugcacauggguaagccgaucc
uaagggaagggguaaccccggcagauagcgcgaucacgcgcauccccgaa
agggaaucggguuaagauuucccgagccgggauguggcgguugacggcga
cguuaggaaguccggagacgccggcgggggccucgggaagaguuaucuuu
ucugcuuaacggccugccaacccuggaaacgguucagccggagguagggu
ccaguggccggaagagcacacgucgcgcgguguccggugcgcccccggcg
gcccaugaaaauccggaggaccgaguaccguucacgcccggucguacuca
uaaccgcaucaggucuccaaggugaacagccucuggccaauggaacaaug
uaggcaagggaagucggcaaaacggauccguaacuucgggaaaaggauug
gcucugaggacugacagucgacucagaacugguacggacaaggggaaucc
gacuguuuaauuaaaacaaagcauugcgaugguccucgcggaugcugacg
caaugugauuucugcccagugcucugaaugucaaagugaagaaauucaac
caagcgcggguaaacggcgggaguaacuaugacucucuuaagguagccaa
augccucgucaucuaauuagugacgcgcaugaaugaauuaacgagauucc
cacugucccugucuacuauccagcgaaaccacagccaagggaacgggcuu
ggcggaaucagcggggaaagaagacccuguugagcuugacucuaguccga
cuuugugaaaugaauuuuacuuauuccgugggucggaagcggggcaugcc
ccuccuuuuggcuccaaggcccggucuuaccgggccgauccgggcggaag
acauugucagguggggaguuuggcuggggcggccaaucuguuaaaagaua
acgcagguguccuaagaugagcucaacgagaacagaaaucucguguggaa
caaaaggguaaaagcucguuugauucugauuuccaguacgaauacgaacc
gugaaagcguggccuaucgauccuuuagaucuucggaguuugaagcuaga
ggugucagaaaaguuaccacagggauuacuggcuuguggcagccaagcgu
ucauagcgacguugcuuuuugauccuucgaugucggcucuuccuaucauu
gcgaagcagaauucaccaaguguuggauuguucacccaccaauagggaac
gugagcuggguuuagaccgucgugagacagguuaguuuuacccuacugau
gacagugucgcgauaguaauucaaccuaguacgagaggaaccguugauuc
acacaauuggucaucgcgcuugguugaaaagccaguggcgcgaagcuacc
gugugccggauuaugacugaacgccucuaagucagaauccaagcuagcau
gcgacgccugcgcccgccgcccgccccgacccacguuaggggcgcuugcg
cccccaagggcccgugccauuggcuaagccgguccggccgaagugccgcg
gucggccgccucgaagcucccuucccaacgggcggugggcugaauccuuu
gcagacgacuuaaauacgcgacggggcauuguaaguggcagaguggccuu
gcugccacgauccacugagauccaguccccgggucgcacggauucgu

..........................<<<<<.....<......>......
>>>>>...........<<....>>..<<<<<.......<.....>.....
.>>>>>..[[[....<......<<<<<<<<<...>>>>>>>>>......>
......<<<<<<.<<<<.<<<<<<<.<<<<<<<.....<<<<......>>
>>.((......<<<.....))>>>....>>>>>>>...>>>>>>>.....
>>>>>>>>.>>........<<<<<<<........>>>>>>>.....((((
(..<<<<<<)))))..]]]...............................
...<<....>>...............<<<<....>>>>............
......................<<<<<<<<<<<<......<<<<<<<<..
...>>>>>>>>.<..<<<<<<<<<<<<.<<<<<<<<<......<<<<<<<
.......>>>>>>>.....>>>>>>>>>.>>>>>>>.....<<<<<<<..
..>>>.<<<<<<..>>>>>>..>>>>..>>>>>..>....>>>.>>>>>>
>>>..<<<<........>>>><<<<<<....<<<<<<.<<<<<<..<<..
..<<<<......>>>>.....>>...<<....>>....<<<<<..<<<<<
....>>>>>...>>>>>.<<<<<<<.....<....>.....>>.>>>.>>
....>>>>>>.>>>>>>..<<.<...<<<<<<.....<<<<<<<<<..<<
<....<<<<<<<....>>>>>>>.....>>>...<<<..<<.<<......
..>>>>.>>>....>>>>>>>>>...<<.......>>......>>>>>>.
.....>.>>..<<<<<<....<.<<<....>>>.><<<<<<<<<<....<
<<.<<<<<<<.....<<<....<<<....<<<.....<<<<.......>>
>>...>>>....>>>..>.>>.....>>>>>...<<<<<<<<<.<.....
.>>>>>>>>>>....>>>>>>>.>>>>>>.>>..<<<<.<<<<<.....>
>>>>.>>>>....<<<......>>>...<<<<<<<...<<<(((.....<
<<<<<.......<..........<<<.<<<<<<.<<<.......<<<...
<<.....<.........>.....>>........................>
>>...>>>.>>>>>>>>>..........))).>....>>>>>>.>>>...
>>>>>>><<<<.<<<<.........>>>>.>>>>....>>>>>><.<<<<
<<<<<........<<<.<<<<....>>>>>>>.....>>>>>>>>>..>.
....>>>>>><<.....<<.....<<<<<<.......>>>>>><<<<...
..<<<<<.<<...<<<<<<...<<.....>>.>>>>>>....((<<<<<<
...<<<...<<<....>>>.........<<<<....>>>>....>>>...
.>>...<<<<<.........>>>>>))<<<<.<<<<<<<<...<<<....
>>>...<...<<<<<<...<<<<.<<<<<<<.<<<<<.<<<<.......>
>>>.><...<<<<<.....<<<<<<....<<<<...>>>>....>>>>>>
.....>>>>>....><<<<..........>>>>>>>>...>>>>>>>.>>
>>.........>>>>>>...>......>>>>.>>>>>>>>>>>>..>>..
...<<......>>>>>>>.<<<<.....>>>>..>>>>..<<<<.....<
<<<<<<.<<.........<.....<<<<<...............>>>>><
<.<<<<<<<<<<<.>>>>>..>>>>>>.>>............<<<<<<<<
<..<<<.........>>>..<<<<<<<....<<<<....>>>>......>
>>>>>>...<<<.<<<..<<<<<<.....<<.....<<<<....>>>>..
...>>..>>>>..>>>>><<<<<<.......>>>>>>........<....
.......<<<<<.......>>>>>.....>....>>>....>>.>>>>>>
>..>..>>.>>>>>>>..>>>>>>....>>....<<<<<........>>>
>>....[[[[[..{{{.{{......[[[[.{{[[[[..<<<<<.<<<.<<
<...<<<<<<<..>>>>>>>...<<<<<.....<<<<...<<<<....>>
>>...............<<<<<<<.....>>>>>>>..>>>>..>>>>>.
.....>>>.>>>..>>>>>...<<<.....>>>..<<<<<<.........
..>>>>>>..<<...<<<<<<<...<<<<<<.......>>>>>>.....<
<...(((>>....>>>>>>>...<<<.<<<<<.......>>>>.>>>>.<
<<....>>>.>>))).......((((((..((((.>>>>>>)))))))))
)..........]]]]..}}]]]].......<<.<...<<<<<<...<<..
.....>>...>>>>>>....>.>.>.......<<<<<.<<<<<<..<<<.
<.<<<......>>>.>...>>>.<<<.........>>>.....>>>>>..
>...>>>.>>....<<<<<<<....>>>.>>>>....}}..}}}.]]]]]
....<<<<<<<..<<<<.<.<<<<<.................>>>>>.><
<<<<...<<<<....<<<<<<<<<......>>>>..>>>>>...>>>>..
>>>>>..<<<...<<<<<...........>>>>>...>>>..>>>>....
>>>>>>>....<<<<<<<<<<<<......<<.......<<<<<<<..>>>
>>>>....>>...........<<<...<<<<<<<<<<<......>>>>.>
>>>>>>.>>>..................>>>>>>>>>>>>.<<<<<<<..
...........>.....<<<<<<<<<.<<<....<<<<....<<<<<...
...>>>>>...>>>>...>>>....>>>>...>>>>>..>>>>>>..

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8ipb Boric acid intercepts 80S ribosome migration from AUG-stop by stabilizing eRF1.
• Resolution: 3.4 Å
• Binding residue (original residue number in PDB): T2 T3 R4 K6 K7 N8 R9 K10 K11 R12 G13 V15 A17 G18 H19 G20 R21 V22 G23 H25 R26 K27 H28 P29 G31 R32 G33 N34 G36 M38 H39 H40 H41 R42 I43 L44 K47 Y52 F53 G54 K55 V56 G57 M58 R59 Y60 F61 H62 K63 N66 R67 T72 N74 R77 Q102 F103 G104 K107 L109 G110 K111 G112 M113 S127 K128 I129 K132 K133
• Binding residue (residue number reindexed from 1): T1 T2 R3 K5 K6 N7 R8 K9 K10 R11 G12 V14 A16 G17 H18 G19 R20 V21 G22 H24 R25 K26 H27 P28 G30 R31 G32 N33 G35 M37 H38 H39 H40 R41 I42 L43 K46 Y51 F52 G53 K54 V55 G56 M57 R58 Y59 F60 H61 K62 N65 R66 T71 N73 R76 Q101 F102 G103 K106 L108 G109 K110 G111 M112 S126 K127 I128 K131 K132

Gene Ontology

Molecular Function

• GO:0003729 mRNA binding
• GO:0003735 structural constituent of ribosome

Biological Process

• GO:0006412 translation

Cellular Component

• GO:0005840 ribosome
• GO:0015934 large ribosomal subunit
• GO:0022625 cytosolic large ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:8ipb, PDBe:8ipb, PDBj:8ipb
• PDBsum: 8ipb
• PubMed: 38267667
• UniProt: A0A3B6DCS5