Structure of PDB 1w2b Chain 2 Binding Site BS01

Receptor Information

>1w2b Chain 2 (length=92) Species: 2238 (Haloarcula marismortui)

MQMPRRFNTYCPHCNEHQEHEVEKVRSGRQTGMKWIDRQRERNSGIGNDG
KFSKVPGGDKPTKKTDLKYRCGECGKAHLREGWRAGRLEFQE

Ligand information

>1w2b 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: 1w2b Trigger Factor in Complex with the Ribosome Forms a Molecular Cradle for Nascent Proteins
• Resolution: 3.5 Å
• Binding residue (original residue number in PDB): M1 Q2 P4 N8 T9 Y10 N15 E16 H17 G28 R29 Q30 T31 M33 K34 W35 I36 R38 Q39 R42 G45 I46 G47 N48 D49 G50 K51 S53 K54 G58 D59 K60 P61 T62 K63 K64 D66 K68 A77 L79 R80 G82 R84 G86 Q91
• Binding residue (residue number reindexed from 1): M1 Q2 P4 N8 T9 Y10 N15 E16 H17 G28 R29 Q30 T31 M33 K34 W35 I36 R38 Q39 R42 G45 I46 G47 N48 D49 G50 K51 S53 K54 G58 D59 K60 P61 T62 K63 K64 D66 K68 A77 L79 R80 G82 R84 G86 Q91
• Binding affinity: PDBbind-CN: Kd=1.2uM

Gene Ontology

Molecular Function

• GO:0000049 tRNA binding
• GO:0003735 structural constituent of ribosome
• GO:0008270 zinc ion binding
• GO:0019843 rRNA binding
• GO:0046872 metal ion binding
• GO:0070180 large ribosomal subunit rRNA binding

Biological Process

• GO:0006412 translation

Cellular Component

• GO:0005840 ribosome
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:1w2b, PDBe:1w2b, PDBj:1w2b
• PDBsum: 1w2b
• PubMed: 15334087
• UniProt: P32411|RL44E_HALMA Large ribosomal subunit protein eL42 (Gene Name=rpl44e)