Structure of PDB 1kqs Chain C Binding Site BS01

Receptor Information

>1kqs Chain C (length=246) Species: 2238 (Haloarcula marismortui)

MQATIYDLDGNTDGEVDLPDVFETPVRSDLIGKAVRAAQANRKQDYGSDE
YAGLRTPAESFGSGRGQAHVPKLDGRARRVPQAVKGRSAHPPKTEKDRSL
DLNDKERQLAVRSALAATADADLVADRGHEFDRDEVPVVVSDDFEDLVKT
QEVVSLLEALDVHADIDRADETKIKAGQGSARGRKYRRPASILFVTSDEP
STAARNLAGADVATASEVNTEDLAPGGAPGRLTVFTESALAEVAER

Ligand information

>1kqs Chain 0 (length=2754)

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

Structure summary

• PDB: 1kqs A pre-translocational intermediate in protein synthesis observed in crystals of enzymatically active 50S subunits.
• Resolution: 3.1 Å
• Binding residue (original residue number in PDB): R27 R36 A38 N41 R42 K43 Q44 D45 Y46 G47 S48 D49 A52 G53 R55 T56 P57 S60 S63 G64 G66 Q67 A68 H69 L73 D74 R76 A77 R78 P81 Q82 A83 V84 K85 R87 S88 H90 P92 K93 E95 K96 D101 N103 D104 K105 E106 R107 R127 V148 K149 T150 Q151 R168 D170 K173 I174 K175 A176 G177 Q178 G179 A181 R182 R184 Y186 R187 A190 T202 R205 N206 A213 E217 V218 N219 D222 P225 G226 R246
• Binding residue (residue number reindexed from 1): R27 R36 A38 N41 R42 K43 Q44 D45 Y46 G47 S48 D49 A52 G53 R55 T56 P57 S60 S63 G64 G66 Q67 A68 H69 L73 D74 R76 A77 R78 P81 Q82 A83 V84 K85 R87 S88 H90 P92 K93 E95 K96 D101 N103 D104 K105 E106 R107 R127 V148 K149 T150 Q151 R168 D170 K173 I174 K175 A176 G177 Q178 G179 A181 R182 R184 Y186 R187 A190 T202 R205 N206 A213 E217 V218 N219 D222 P225 G226 R246

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• 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

External links

• PDB: RCSB:1kqs, PDBe:1kqs, PDBj:1kqs
• PDBsum: 1kqs
• PubMed: 11828326
• UniProt: P12735|RL4_HALMA Large ribosomal subunit protein uL4 (Gene Name=rpl4)