Structure of PDB 1k8a Chain 3 Binding Site BS01

Receptor Information
>1k8a Chain 3 (length=46) Species: 2238 (Haloarcula marismortui) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GKKSKATKKRLAKLDNQNSRVPAWVMLKTDERNHKRRHWRRNDTDE
Ligand information
>1k8a Chain A (length=2754) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
uaugccagcugguggauugcucggcucaggcgcugaugaaggacgugcca
agcugcgauaagccauggggagccgcacggaggcgaagaaccauggauuu
ccgaaugagaaucucuaacaauugcuucgcgcaaugaggaaccccgagaa
cugaaacaucucaguaucgggaggaacagaaaacgcaaugugaugucguu
aguaaccgcgagugaacgcgauacagcccaaaccgaagcccucacgggca
auguggugucagggcuaccucucaucagccgaccgucucgacgaagucuc
uuggaacagagcgugauacagggugacaaccccguacucgagaccaguac
gacgugcgguagugccagaguagcggggguuggauaucccucgcgaauaa
cgcaggcaucgacugcgaaggcuaaacacaaccugagaccgauagugaac
aaguagugugaacgaacgcugcaaaguacccucagaagggaggcgaaaua
gagcaugaaaucaguuggcgaucgagcgacagggcauacaaggucccucg
acgaaugaccgacgcgcgagcguccaguaagacucacgggaagccgaugu
ucugucguacguuuugaaaaacgagccagggagugugucugcauggcaag
ucuaaccggaguauccggggaggcacagggaaaccgacauggccgcaggg
cuugcccgagggccgccgucuucaagggcggggagccauguggacacgac
ccgaauccggacgaucuacgcauggacaagaugaagcgugccgaaaggca
cguggaagucuguuagaguugguguccuacaauacccucucgugaucuau
guguaggggugaaaggcccaucgaguccggcaacagcugguuccaaucga
aacaugucgaagcaugaccuccgccgagguagucugugagguagagcgac
cgauugguccugucaaacuccaaacuuacagacgccguuugacgcgggga
uuccggugcgcgggguaagccuguguaccaggaggggaacaacccagaga
uagguuaagguccccaaguguggauuaaguguaauccucugaaggugguc
ucgagcccuagacagccgggaggugagcuuagaagcagcuacccucuaag
aaaagcguaacagcuuaccggccgagguuugaggcgcccaaaaugaucgg
gacucaaauccaccaccgagaccuguccguaccacucauacugguaaucg
aguagauuggcgcucuaauuggauggaaguaggggugaaaacuccuaugg
accgauuagugacgaaaauccuggccauaguagcagcgauagucggguga
gaaccccgacggccuaauggauaaggguuccucagcacugcugaucagcu
gaggguuagccgguccuaagucauaccgcaacucgacuaugacgaaaugg
gaaacggguuaauauucccgugccacuaugcagugaaaguugacgcccug
gggucgaucacgcugggcaucgcccagucgaaccguccaacuccguggaa
gccguaauggcaggaagcggacgaacggcggcauagggaaacgugauuca
accuggggcccaugaaaagacgagcauaguguccguaccgagaaccgaca
cagguguccauggcggcgaaagccaaggccugucgggagcaaccaacguu
agggaauucggcaaguuagucccguaccuucggaagaagggaugccugcu
ccggaacggagcaggucgcagugacucggaagcucggacugucuaguaac
aacauaggugaccgcaaauccgcaaggacucguacggucacugaauccug
cccagugcagguaucugaacaccucguacaagaggacgaaggaccuguca
acggcgggggucuuaagguagcguaguaccuugccgcaucaguagcggcu
ugcaugaauggauuaaccagagcuucacugucccaacguugggcccggug
aacuguacauuccagugcggagucuggagacacccagggggaagcgaaga
cccuauggagcuuuacugcaggcugucgcugaggacucucacuccgggag
gaggacaccgauagccgggcaguuugacuggggcgguacgcgcucgaaaa
gauaucgagcgcgcccuauggcuaucucagccggggacccggcgaagagu
gcaagagcaaaagauagcuugacaguguucuucccaacgaggaacgcuga
cgcgaaagcguggucuagcgaaccaauuagccugcuugaugcgggcaauu
gaugacagaaaagcuacccuagggauaacagagucgucacucgcaagagc
acauaucgaccgaguggcuugcuaccucgaugucgguucccuccauccug
cccgugcagaagcgggcaagggugagguuguucgccuauuaaaggagguc
gugagcuggguuuagaccgucgugagacaggucggcugcuaucuacuggg
uguguaggugucugacaagaacgaccguauaguacgagaggaacuacggu
ugguggccacugguguaccgguuguucgagagagcacgugccggguagcc
acgccacacgggguaagagcugaacgcaucuaagcucgaaacccacuugg
aaaagagacaccgccgaggucccgcguacaagacgcggucgauagacucg
gggugugcgcgucgagguaacgagacguuaagcccacgagcacuaacaga
ccaa
..<<<<<<<<<<<.....((..((<<<<<<.[<<......<<<<<<.((.
.((.>>>.....<<<<<<...<<<))..)).>>>......>>>>>>...>
>>....<<<...>>>.....<<<<<.....>>>>>.>>...<<<<<<...
..<......>......>>>>>.>.........<<.....>>..<<<<<<.
....<<.....>>....>>>>>>..<<<...<<<...<<<<....>>>>.
....>>>....<<<<<<<<......<..<.....<<<<<<<......<<<
<......>>>>.((......<<<.....))>>>....>>>>>>>......
>..>...>>>>>>.>>......<<<<<<<........>>>>>>>......
<<<<<.<<<<<<>>>>>..>>>......]..>>>>>>.))..........
.....<<....>>....))..........<<<.....>>>..........
.........>>>>>>>>>>>.......<<<<<<<<<<....<.<<<<..<
<.........<<<<<....>>>>>.........>>..>>>>...>.>>>>
>>>>>>...<<<........>>>.<<<<<<...<<<<<<<<<<<<<<..<
<<...<<<<<...>>>>>...>>>...<<....>>....<<<<<...<<<
<..>>>>...>>>>><<<<<<....>>>>>>...>>>>>>>>>>>>>>.<
<.<...<<<<<<.....<<<<<<<<<..<<<....<<<<<<<....>>>>
>>>.....>>>....<<<..<<.<<........>>>>.>>>....>>>>>
>>>>...<<<.....>>>......>>>>>>......>.>>..<<<<<<..
..<<<<<....>>>>><.<<<<<<...<<<.<<<<<<<<<...<<<....
.<<..<<.>>..>>...>>.>...>>>>>>>>>>>>.......>>>>>>.
.>..<<<<<<<<<<.....>>>>>>>>>>....<<<......>>>...<<
<<<<<...<<<(((.....<<<<<<.....<<...........<<<.<<<
<<<<<<<.......<<<<<.<<...<<<<.......>>>>...>>.....
..<<<<......>>>>.>>>>>...>>>>>>>>>>>>>..........))
)>>....>>>>>>.>>>...>>>>>>><<<<<<<.......>>>>>..>>
....>>>>>><...<<<<<<<<......<<<<<<<<....>>>>>>>>..
.>>>>>>>>....>.....>>>>>><<.....<........<<<<<<...
....>>>>>><<<<<...<<<<..<<...<<<<<<...<<.....>>.>>
>>>>....((<<<<<<...<<<<<<.<<.....>>..>>>>>>.....>>
>..<<<<<........>>>>>))<<<<<<<<.......<<<...<<<<<<
<<...<<<<<<<<<<<<<.[[>>>>>>><...<<<<<....<<<<<....
<<<<...>>>>.....>>>>>.....>>>>>....>......>>>>>>..
.>>>>>>>>.........>>>..>>>>>>>>.>>>..>>.....<<....
..>>.>>>>..<<<.......>>>.>>>>>...<<<<.....<<<<<<<<
.<<.........<.....<<<<<...............>>>>><<<<<<<
<<.....>>>>>>>>>............<<<<<<<<<..<<<........
.>>>..<<<<<<<.....<<<....>>>.......>>>>>>>.<<<<<.<
<<..<<<<<<<..<<<.....<<<<......>>>>.....>>>>>>>>..
>>>>><<...>>........<...........<<<<<.......>>>>>.
....>....>>>>>..>>.>>>>>>>..>..>>.>>>>>>>>.>>>>.>.
...>>.((.<<<<<<......))>>>>>>.<<<<<<<..(((.[[.....
.<<<<.[[<<<<..<<<<<.<<<<<<<<..<<....>>...<<<<....>
>>>.....>>>>>>>>..>>>>>...<<<.....>>>..<<<<<<.....
......>>>>>>..<<...<<<<<<<...<<<<<<..>>>>>>.....<<
...(((>>....>>>>>>>...<<<<<<<<<.........>>>>>>>>>.
<<<....>>>.>>))).......<<<<<.<<<<<.>>>>>>>>>>>>>>>
>..........>>>>..]]>>>>.......<<<<.<.<<<<<<...<<..
.....>>...>>>>>>...>>>>.>.......<<<<<..<<<<<..<<<<
<<<<<......>>>>>>>..>>..<<<<.....>>>>......>>>>>..
....>>>.>>....<<<<<<<....>>>.>>>>....]]..))).>>>>>
>>....<<<<<<...<<<<..<<<<<<<<...............>>>>>>
>><<<<<...<<<<...<<<<<<<<<<]]..>>>>>...>>>>>...>>>
>.>>>>>..<<<....<<<<<...........>>>>>....>>>.>>>>.
......>>>>>>.....<<<<<<<<<.......>>>>>....<<<.<<<<
<<<<....<<<<<..........>>>>>...>>>>.>>>>..>>>...>>
>>..
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1k8a The structures of four macrolide antibiotics bound to the large ribosomal subunit.
Resolution3.0 Å
Binding residue
(original residue number in PDB)
G1 K2 K3 K5 A6 K8 R10 L11 K13 N16 Q17 S19 P22 W24 V25 L27 K28 T29 D30 R35 H37 R40 H41 W42 R43 N45 T47
Binding residue
(residue number reindexed from 1)
G1 K2 K3 K5 A6 K8 R10 L11 K13 N16 Q17 S19 P22 W24 V25 L27 K28 T29 D30 R32 H34 R37 H38 W39 R40 N42 T44
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003735 structural constituent of ribosome
GO:0019843 rRNA binding
Biological Process
GO:0006412 translation
Cellular Component
GO:0005840 ribosome
GO:0022625 cytosolic large ribosomal subunit
GO:1990904 ribonucleoprotein complex

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:1k8a, PDBe:1k8a, PDBj:1k8a
PDBsum1k8a
PubMed12150912
UniProtP22452|RL39_HALMA Large ribosomal subunit protein eL39 (Gene Name=rpl39e)

[Back to BioLiP]