Structure of PDB 5gag Chain i Binding Site BS02

Receptor Information

>5gag Chain i (length=126) Species: 562 (Escherichia coli)

GFDLNDFLEQLRQMKNMGGPPPPPPPPPPPPPPPPPPPPPPDDKVLVRME
AIINSMTMKERAKPEIIKGSRKRRIAAGCGMQVQDVNRLLKQFDDMQRMM
KKMKKGGPPPPPPPPPPPPPPPPPPP

Ligand information

>5gag Chain A (length=2883)

gguuaagcgacuaagcguacacgguggaugcccuggcagucagaggcgau
gaaggacgugcuaaucugcgauaagcgucgguaaggugauaugaaccguu
auaaccggcgauuuccgaauggggaaacccaguguguuucgacacacuau
cauuaacugaauccauagguuaaugaggcgaaccgggggaacugaaacau
cuaaguaccccgaggaaaagaaaucaaccgagauucccccaguagcggcg
agcgaacggggagcagcccagagccugaaucaguguguguguuaguggaa
gcgucuggaaaggcgcgcgauacagggugacagccccguacacaaaaaug
cacaugcugugagcucgaugaguagggcgggacacgugguauccugucug
aauauggggggaccauccuccaaggcuaaauacuccugacugaccgauag
ugaaccaguaccgugagggaaaggcgaaaagaaccccggcgaggggagug
aaaaagaaccugaaaccguguacguacaagcagugggagcacgcuggcgu
gugacugcguaccuuuuguauaaugggucagcgacuuauauucuguagca
agguuaaccgaauaggggagccgaagggaaaccgagucuuaacugggcgu
uaaguugcaggguauagacccgaaacccggugaucuagccaugggcaggu
ugaagguuggguaacacuaacuggaggaccgaaccgacuaauguugaaaa
auuagcggaugacuuguggcugggggugaaaggccaaucaaaccgggaga
uagcugguucuccccgaaagcuauuuagguagcgccucgugaauucaucu
ccggggguagagcacuguuucggcaagggguuaccaacccgaugcaaacu
gcgaauaccggagaauguuaucacgggagacacacggcgggugcuaacgu
ccgucgugaagagggaaacaacccagaccgccagcuaaggucccaaaguc
augguuaagugggaaacgaugugggaaggcccagacagccaggauguugg
cuuagaagcagccaucauuuaaagaaagcguaauagcucacuggucgagu
cggccugcgcggaagauguaacggggcuaaaccaugcaccgaagcugcgg
cagcgacgcugcguuguuggguaggggagcguucuguaagccugcgaagg
ugugcugugaggcaugcuggagguaucagaagugcgaaugcugacauaag
uaacgauaaagcgggugaaaagcccgcucgccggaagaccaaggguuccu
guccaacguuaaucggggcagggugagucgaccccuaaggcgaggccgaa
aggcguagucgaugggaaacagguuaauauuccuguacuugguguuacug
cgaaggggggacggagaaggcuauguuggccgggcgacgguugucccggu
uuaagcguguaggcugguuuuccaggcaaauccggaaaaucaaggcugag
gcgugaugacgaggcacuacggugcugaagcaacaaaugcccugcuucca
ggaaaagccucuaagcaucagguaacaucaaaucguaccccaaaccgaca
cagguggucagguagagaauaccaaggcgcuugagagaacucgggugaag
gaacuaggcaaaauggugccguaacuucgggagaaggcacgcugauaugu
aggugaggucccucgcggauggagcugaaaucagucgaagauaccagcug
gcugcaacuguuuauuaaaaacacagcacugugcaaacacgaaaguggac
guauacggugugacgccugcccggugccggaagguuaauugaugggguua
gcgcaagcgaagcucuugaucgaagccccgguaaacggcggccguauaac
gguccuaagguagcgaaauuccuugucggguaaguuccgaccugcacgaa
uggcguaaugauggccaggcugucuccacccgagacucagugaaauugaa
cucgcugugaagaugcaguguacccgcggcaagacggaaagaccccguga
accuuuacuauagcuugacacugaacauugagccuugauguguaggauag
gugggaggcuuugaaguguggacgccagucugcauggagccgaccuugaa
auaccacccuuuaauguuugauguucuaacguugacccguaauccggguu
gcggacagugucugguggguaguuugacuggggcggucuccuccuaaaga
guaacggaggagcacgaagguuggcuaauccuggucggacaucaggaggu
uagugcaauggcauaagccagcuugacugcgagcgugacggcgcgagcag
gugcgaaagcaggucauagugauccggugguucugaauggaagggccauc
gcucaacggauaaaagguacuccggggauaacaggcugauaccgcccaag
aguucauaucgacggcgguguuuggcaccucgaugucggcucaucacauc
cuggggcugaaguaggucccaaggguauggcuguucgccauuuaaagugg
uacgcgagcuggguuuagaacgucgugagacaguucggucccuaucugcc
gugggcgcuggagaacugaggggggcugcuccuaguacgagaggaccgga
guggacgcaucacugguguucggguugucaugccaauggcacugcccggu
agcuaaaugcggaagagauaagugcugaaagcaucuaagcacgaaacuug
ccccgagaugaguucucccugacccuuuaaggguccugaaggaacguuga
agacgacgacguugauaggccggguguguaagcgcagcgaugcguugagc
uaaccgguacuaaugaaccgugaggcuuaaccu

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 5gag Structures of the E. coli translating ribosome with SRP and its receptor and with the translocon.
• Resolution: 3.8 Å
• Binding residue (original residue number in PDB): K395 Q411 N414 D421 D422 R425 K429 X448 X449 X450 X451 X452 X453
• Binding residue (residue number reindexed from 1): K68 Q84 N87 D94 D95 R98 K102 X121 X122 X123 X124 X125 X126

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:5gag, PDBe:5gag, PDBj:5gag
• PDBsum: 5gag
• PubMed: 26804923
• UniProt: P0AGD7|SRP54_ECOLI Signal recognition particle protein (Gene Name=ffh)