Structure of PDB 3jcn Chain b Binding Site BS02

Receptor Information
>3jcn Chain b (length=509) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DTGAAAEPRAPVVTIMGHVDHGKTSLLDYIRSTKVASGEAGGITQHIGAY
HVETENGMITFLDTPGHAAFTSMRARGAQATDIVVLVVAADDGVMPQTIE
AIQHAKAAQVPVVVAVNKIDKPEADPDRVKNELSQYGILPEEWGGESQFV
HVSAKAGTGIDELLDAILLQAEVLELKAVRKGMASGAVIESFLDKGRGPV
ATVLVREGTLHKGDIVLCGFEYGRVRAMRNELGQEVLEAGPSIPVEILGL
SGVPAAGDEVTVVRDEKKAREVALYRQGKFREVKLARQQKSKLENMFANM
TEGEVHEVNIVLKADVQGSVEAISDSLLKLSTDEVKVKIIGSGVGGITET
DATLAAASNAILVGFNVRADASARKVIEAESLDLRYYSVIYNLIDEVKAA
MSGMLSPELKQQIIGLAEVRDVFKSPKFGAIAGCMVTEGVVKRHNPIRVL
RDNVVIYEGELESLRRFKDDVNEVRNGMECGIGVKNYNDVRTGDVIEVFE
IIEIQRTIA
Ligand information
>3jcn Chain a (length=1539) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
aauugaagaguuugaucauggcucagauugaacgcuggcggcaggccuaa
cacaugcaagucgaacgguaacaggaagaagcuugcuucuuugcugacga
guggcggacgggugaguaaugucugggaaacugccugauggagggggaua
acuacuggaaacgguagcuaauaccgcauaacgucgcaagaccaaagagg
gggaccuucgggccucuugccaucggaugugcccagaugggauuagcuag
uaggugggguaacggcucaccuaggcgacgaucccuagcuggucugagag
gaugaccagccacacuggaacugagacacgguccagacuccuacgggagg
cagcaguggggaauauugcacaaugggcgcaagccugaugcagccaugcc
gcguguaugaagaaggccuucggguuguaaaguacuuucagcggggagga
agggaguaaaguuaauaccuuugcucauugacguuacccgcagaagaagc
accggcuaacuccgugccagcagccgcgguaauacggagggugcaagcgu
uaaucggaauuacugggcguaaagcgcacgcaggcgguuuguuaagucag
augugaaauccccgggcucaaccugggaacugcaucugauacuggcaagc
uugagucucguagagggggguagaauuccagguguagcggugaaaugcgu
agagaucuggaggaauaccgguggcgaaggcggcccccuggacgaagacu
gacgcucaggugcgaaagcguggggagcaaacaggauuagauacccuggu
aguccacgccguaaacgaugucgacuuggagguugugcccuugaggcgug
gcuuccggagcuaacgcguuaagucgaccgccuggggaguacggccgcaa
gguuaaaacucaaaugaauugacgggggcccgcacaagcgguggagcaug
ugguuuaauucgaugcaacgcgaagaaccuuaccuggucuugacauccac
ggaaguuuucagagaugagaaugugccuucgggaaccgugagacaggugc
ugcauggcugucgucagcucguguugugaaauguuggguuaagucccgca
acgagcgcaacccuuauccuuuguugccagcgguccggccgggaacucaa
aggagacugccagugauaaacuggaggaagguggggaugacgucaaguca
ucauggcccuuacgaccagggcuacacacgugcuacaauggcgcauacaa
agagaagcgaccucgcgagagcaagcggaccucauaaagugcgucguagu
ccggauuggagucugcaacucgacuccaugaagucggaaucgcuaguaau
cguggaucagaaugccacggugaauacguucccgggccuuguacacaccg
cccgucacaccaugggaguggguugcaaaagaaguagguagcuuaaccuu
cgggagggcgcuuaccacuuugugauucaugacuggggugaagucguaac
aagguaaccguaggggaaccugcgguuggaucaccuccu
.......<<<<..[.((((.>>>>.<<<<.<<<<<..<<<<<<<<.....
<<<.<<<..<<<..<<.<...<<<<<<<<<<....>>>>>>>.>>>.>..
>>>>>......<<.......<<<<<<<..<<...<<<<<<<.<.<<....
.<<<<<......>>>>>......>>.>.....<<<....>>>....<<<<
<<..<<....>>>>>>>>.>>>>>>>..>>.>>>>>>><<<....<<<..
<<<<<<<.........>>>>>>>>>>......>>>..<<<<<<<<....>
>>>...>>>>.>>.<<<<<.<.........>>>>>>.<<<<<..>>>>>.
..>>>>>>.........<<<....<<<<....>>>>..>>>..>>.>>>>
>>..<<<<......<<<<....>>>>.....>>>>...<.<<<<<.....
.<.<<<<<<<<.......>>>>>>>>.>........>>>>>....>..<<
<<<(((...<<<<<.....<<.)))>>.......>>>>>>>>>>..>>>>
>>>>>..........<<<((.....<<<<...<<<.<<<<<<<.<<<<<<
<<<<......<<<<<<.....>>>>>>....>>>>>>>>..>>>>>>>>>
...<<<<<<<<...<<<<<<<....<<<<<<<<...<<<......>>>..
....>>>>>>>>...........<<....>>.>>>>>>>..>>>>.>>>>
...>>>...>>>>....<<<<<<...<<...<<<<.<.....>.>>>>..
.>>>>>>>>..........<<<<<<..<<<<<<<<<<<<.....>>>>>>
>>>>>>...<<..))>>.....>>>>>>.>>>.<<<......<<<<....
>>>>....>>>..)))).]<<<<<.<<<<<<<.<<.<<<<<<..<<<<<<
<<.<......<<........>>..........<<<<<<<.......<<<<
<<..<<<<<<<....>>>>>>>...<......>..>>>>>.>..<<<.<<
<..<<<<<<.......<<<<<<<<<....>>>..<<<<......>>>>..
>>>>>>.....<<<<.<<<<<<....<...<<<.....>>>.>.....>>
>>>>.....<<<<<.....>>>>>........>>>>.........>>>..
.>>>>>>>>>...>>>>>>>...>..>>>>>>>>.....<<<<<<<....
.<<<..<....<<<....>>>....>....>>>.....>>>>>>>.....
.<....<<<<<<<........>>>>>>>....>.....>>>>>>....<<
<<<<<.........>>>>>>>......>>...>>>>>>>>>>.>>....<
..<<.<.<<<<.<<<..<<<<<<<<<<<<....<<<<<<.<<<<..<<<.
.>>>.>>>>>>>>>>...>>>>>>>>>>>>..>>>.>>>>..>.>>...>
.....<<<<<<<<<....>>>>>>>>>............
Receptor-Ligand Complex Structure
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PDB3jcn Structures of ribosome-bound initiation factor 2 reveal the mechanism of subunit association.
Resolution4.6 Å
Binding residue
(original residue number in PDB)		L574 D575 K576 G577 R578 G579 P580 K593 R605 R607 A608 E647 R651 T729 E730 D751 S753
Binding residue
(residue number reindexed from 1)		L193 D194 K195 G196 R197 G198 P199 K212 R224 R226 A227 E266 R270 T348 E349 D370 S372
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003743 translation initiation factor activity
GO:0003924 GTPase activity
GO:0005515 protein binding
GO:0005525 GTP binding
GO:0043024 ribosomal small subunit binding
GO:0097216 guanosine tetraphosphate binding
Biological Process
GO:0006412 translation
GO:0006413 translational initiation
GO:0009409 response to cold
GO:0061077 chaperone-mediated protein folding
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:3jcn, PDBe:3jcn, PDBj:3jcn
PDBsum3jcn
PubMed26973877
UniProtP0A705|IF2_ECOLI Translation initiation factor IF-2 (Gene Name=infB)

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