Structure of PDB 2j28 Chain 9 Binding Site BS03

Receptor Information

>2j28 Chain 9 (length=430) Species: 83333 (Escherichia coli K-12)

FDNLTDRLSRTLRNISGRGRLTEDNVKDTLREVRMALLEADVALPVVREF
INRVKEKAVGHEVNKSLTPGQEFVKIVRNELVAAMGEENQTLNLAAQPPA
VVLMAGLQGAGKTTSVGKLGKFLREKHKKKVLVVSADVYRPAAIKQLETL
AEQVGVDFFPSDVGQKPVDIVNAALKEAKLKFYDVLLVDTAGRLHVDEAM
MDEIKQVHASINPVETLFVVDAMTGQDAANTAKAFNEALPLTGVVLTKVD
GDARGGAALSIRHITGKPIKFLGVGEKTEALEPFHPDRIASRILGMGDVL
SLIEDIESKVDRAQAEKLASKLKKGDGFDLNDFLEQLRQMKNMGGMASLM
GKLPGMGQIPDNVKSQMDDKVLVRMEAIINSMTMKERAKPEIIKGSRKRR
IAAGCGMQVQDVNRLLKQFDDMQRMMKKMK

Ligand information

>2j28 Chain B (length=2841)

gguuaagcgacuaagcguacacgguggaugcccuggcagucagaggcgau
gaaggacgugcuaaucugcgauaagcgucgguaaggugauaugaaccguu
auaaccggcgauuuccgaauggggaaacccaguguguuucgacacacuau
cauuaacugaauccauagguuaaugaggcgaaccgggggaacugaaacau
cuaaguaccccgaggaaaagaaaucaaccgagauucccccaguagcggcg
agcgaacggggagcagcccagagccugaaucaguguguguguuaguggaa
gcgucuggaaaggcgcgcgauacagggugacagccccguacacaaaaaug
cacaugcugugagcucgaugaguagggcgggacacgugguauccugucug
aauauggggggaccauccuccaaggcuaaauacuccugacugaccgauag
ugaaccaguaccgugagggaaaggcgaaaagaaccccggcgaggggagug
aaaaagaaccugaaaccguguacguacaagcagugggagcacgcuuaggc
gugugacugcguaccuuuuguauaaugggucagcgacuuauauucuguag
caagguuaaccgaauaggggagccgaagggaaaccgagucuuaacugggc
guuaaguugcaggguauagacccgaaacccggugaucuagccaugggcag
guugaagguuggguaacacuaacuggaggaccgaaccgacuaauguugaa
aaauuagcggaugacuuguggcugggggugaaaggccaaucaaaccggga
gauagcugguucuccccgaaagcuauuuagguagcgccucgugaauucau
cuccggggguagagcacuguuucggcaacaacccgaugcaaacugcgaau
accggagaauguuaucacgggagacacacggcgggugcuaacguccgucg
ugaagagggaaacaacccagaccgccagcuaaggucccaaagucaugguu
aagugggaaacgaugugggaaggcccagacagccaggauguuggcuuaga
agcagccaucauuuaaagaaagcguaauagcucacuggucgagucggccu
gcgcggaagauguaacggggcuaaaccaugcaccgaagcugcggcagcga
cgcuuaugcguuguuggguaggggagcguucuguaagccugcgaaggugu
gcugugaggcaugcuggagguaucagaagugcgaaugcugacauaaguaa
cgauaaagcgggugaaaagcccgcucgccggaagaccaaggguuccuguc
caacguuaaucggggcagggugagucgaccccuaaggcgaggccgaaagg
cguagucgaugggaaacagguuaauauuccuguacuugguguuacugcga
aggggggacggagaaggcuauguuggccgggcgacgguugucccgguuua
agcguguaggcugguuuuccaggcaaauccggaaaaucaaggcugaggcg
ugaugacgaggcacuacggugcugaagcaacaaaugcccugcuuccagga
aaagccucuaagcaucagguaacaucaaaucguaccccaaaccgacacag
guggucagguagagaauaccaaggcgcuugagagaacucgggugaaggaa
cuaggcaaaauggugccguaacuucgggagaaggcacgcugauauguagg
ugaggucccucgcggauggagcugaaaucagucgaagauaccagcuggcu
gcaacuguuuauuaaaaacacagcacugugcaaacacgaaaguggacgua
uacggugugacgccugcccggugccggaagguuaauugaugggguuagcg
caagcgaagcucuugaucgaagccccgguaaacggcggccguaacuauaa
cgguccuaagguagcgaaauuccuugucggguaaguuccgaccugcacga
auggcguaaugauggccaggcugucuccacccgagacucagugaaauuga
acucgcugugaagaugcaguguacccgcggcaagacggaaagaccccgug
aaccuuuacuauagcuugacacugaacauugagccuugauggaagugugg
acgccagucugcauggcuuuaauguuugauguucuaacguugacccguaa
uccggguugcggacagugucugguggguaguuugacuggggcggucuccu
ccuaaagaguaacggaggagcacgaagguuggcuaauccuggucggacau
caggagguuagugcaauggcauaagccagcuugacugcgagcgugacggc
gcgagcaggugcgaaagcaggucauagugauccggugguucugaauggaa
gggccaucgcucaacggauaaaagguacuccggggauaacaggcugauac
cgcccaagaguucauaucgacggcgguguuuggcaccucgaugucggcuc
aucacauccuggggcugaaguaggucccaaggguauggcuguucgccauu
uaaagugguacgcgagcuggguuuagaacgucgugagacaguucgguccc
uaucugccgugggcgcuggagaacugaggggggcugcuccuaguacgaga
ggaccggaguggacgcaucacugguguucggguugucaugccaauggcac
ugcccgguagcuaaaugcggaagagauaagugcugaaagcaucuaagcac
gaaacuugccccgagaugaguucucccugacccuuuaaggguccugaagg
aacguugaagacgacgacguugauaggccggguguguaagcgcagcgaug
cguugagcuaaccgguacuaaugaaccgugaggcuuaaccu

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 2j28 Following the Signal Sequence from Ribosomal Tunnel Exit to Signal Recognition Particle
• Resolution: 9.5 Å
• Binding residue (original residue number in PDB): E392 K395 G396 S397 R400 V410 Q411 N414 R415 K418 D421 D422 R425 M430 K431
• Binding residue (residue number reindexed from 1): E391 K394 G395 S396 R399 V409 Q410 N413 R414 K417 D420 D421 R424 M429 K430

Enzymatic activity

• Enzyme Commision number: 3.6.5.4: signal-recognition-particle GTPase.

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• GO:0003924 GTPase activity
• GO:0005515 protein binding
• GO:0005525 GTP binding
• GO:0008312 7S RNA binding
• GO:0016787 hydrolase activity
• GO:0016887 ATP hydrolysis activity

Biological Process

• GO:0006612 protein targeting to membrane
• GO:0006614 SRP-dependent cotranslational protein targeting to membrane

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0048500 signal recognition particle
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:2j28, PDBe:2j28, PDBj:2j28
• PDBsum: 2j28
• PubMed: 17086193
• UniProt: P0AGD7|SRP54_ECOLI Signal recognition particle protein (Gene Name=ffh)