7OBR: RNC-SRP early complex

RNC-SRP early complex. Determined by electron microscopy at 2.8 Å resolution. Released 21 Jul 2021.

Method
Electron microscopy
Resolution
2.8 Å
Organisms
Canis lupus familiaris, Oryctolagus cuniculus, Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Chains
53
Atoms
146,701
Mol. weight
2355.43 kDa
Ligands
MG, ZN, GDP
Released
21 Jul 2021

Explore 7OBR in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7OBR contains 358 α-helices and 321 β-strands across 49 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain a: 8 helices, 6 β-strands

ElementResiduesLengthSheet
α-helix3-53
α-helix7-93
α-helix42-487
β-strand72-7437
α-helix75-773
α-helix79-813
α-helix84-885
β-strand100-10238
α-helix103-1064
β-strand110-11237
β-strand123-12648
β-strand128-12927
α-helix131-14010
β-strand143-14648
Chain A: 12 helices, 17 β-strands
ElementResiduesLengthSheet
α-helix3-53
α-helix9-124
α-helix28-325
α-helix34-374
β-strand40-49109
α-helix50-512
β-strand58-6479
β-strand71-7779
α-helix781
β-strand79110
β-strand83111
β-strand87-9159
β-strand101-10339
α-helix1081
β-strand112-11439
β-strand116112
β-strand126112
β-strand134-14079
α-helix142-1443
β-strand145-14959
β-strand155-15959
β-strand163-16649
α-helix1681
β-strand169110
α-helix174-1763
α-helix182-1909
α-helix201-2033
β-strand224-225213
β-strand237-238213
Chain b: 3 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix12-187
α-helix37-4812
α-helix54-7522
Chain B: 16 helices, 24 β-strands
ElementResiduesLengthSheet
α-helix9-102
α-helix14-163
α-helix32-354
α-helix40-412
β-strand42-43214
β-strand45-541015
β-strand57-59316
β-strand60117
β-strand68117
β-strand71-73316
β-strand76-80515
α-helix82-832
β-strand84-941118
β-strand99-106818
α-helix112-1176
α-helix133-1386
α-helix140-15617
β-strand159-165718
α-helix177-1793
β-strand180-184518
β-strand185-186214
α-helix190-19910
β-strand204-205218
α-helix207-2093
β-strand216-222715
α-helix223-2242
β-strand225-229519
α-helix231-2344
α-helix237-2415
β-strand270-273419
β-strand276-2881315
β-strand293120
β-strand297120
α-helix300-3023
β-strand320121
β-strand324121
β-strand330-334515
β-strand344-349615
β-strand365-367316
α-helix382-3898
Chain c: 4 helices, 4 β-strands
ElementResiduesLengthSheet
α-helix14-2411
β-strand26-29422
α-helix31-4010
β-strand45-48422
α-helix54-6714
β-strand70-73422
α-helix78-847
β-strand93-98622
Chain C: 25 helices, 13 β-strands
ElementResiduesLengthSheet
β-strand7-9323
α-helix101
β-strand11124
β-strand12-13225
β-strand15125
β-strand21-23323
α-helix24-252
α-helix26-294
α-helix31-322
α-helix34-4411
β-strand64-66326
β-strand77-79326
α-helix117-13014
α-helix134-1396
β-strand152-154324
α-helix156-1605
α-helix164-17310
α-helix177-1859
β-strand188-189227
α-helix190-1912
α-helix193-1975
β-strand201-202227
β-strand208-211424
α-helix217-2204
β-strand228-231424
α-helix232-2343
α-helix237-2404
α-helix242-2443
β-strand250-253424
α-helix254-26310
α-helix279-2824
α-helix289-2935
α-helix296-2994
α-helix303-3053
α-helix312-3176
α-helix322-3287
α-helix331-3377
α-helix341-36222
Chain d: 3 helices, 5 β-strands
ElementResiduesLengthSheet
β-strand22-28728
α-helix38-403
α-helix42-5615
β-strand61-64428
α-helix66-738
β-strand83-90828
β-strand103-109728
β-strand121-122228
Chain D: 18 helices, 9 β-strands
ElementResiduesLengthSheet
α-helix10-145
α-helix21-255
α-helix30-378
α-helix38-403
β-strand50-55629
β-strand60-66729
β-strand73-79729
α-helix80-823
α-helix83-864
α-helix95-11319
α-helix132-1354
α-helix139-1424
β-strand143130
β-strand145-147329
α-helix158-16912
β-strand172130
β-strand181131
β-strand183-184231
β-strand189-190231
α-helix194-1996
α-helix202-21413
α-helix216-2227
α-helix224-2274
α-helix228-2303
α-helix236-24914
α-helix269-2724
α-helix273-29119

41 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Srp RNA1RNA249Canis lupus familiaris
28S rRNA5RNA3493Oryctolagus cuniculus
5S ribosomal RNA7RNA120Oryctolagus cuniculus
5.8S ribosomal RNA8RNA156Oryctolagus cuniculus
60S ribosomal protein L8Aprotein245Oryctolagus cuniculusA0A5F9D5B2 (AlphaFold model)
uL3Bprotein402Oryctolagus cuniculusG1TL06 (AlphaFold model)
60S ribosomal protein L4Cprotein413Oryctolagus cuniculusG1SVW5 (AlphaFold model)
60S ribosomal protein L5Dprotein297Oryctolagus cuniculusP19949 (AlphaFold model)
60S ribosomal protein L6Eprotein248Oryctolagus cuniculusG1SKF7
uL30Fprotein225Oryctolagus cuniculusG1SV32
60S ribosomal protein L7aGprotein319Oryctolagus cuniculusG1STW0
60S ribosomal protein L9Hprotein192Oryctolagus cuniculusG1SWI6

41 more molecules are not listed.

Sequence of entity 1 (1), FASTA
>7OBR_1 SRP RNA (chains 1)
GCCGGGCGCGGUGGCGCGCGCCUGUAGUCCCAGCUACUCGGGAGGCUGAGGCAGGAGGAU
CGCUUCGCUAUGCCGAUCGGGUGUCCGCACUAAGUUCGGCAUCAAUAUGGUGACCUCCCG
GGAGCGGGGGACCACCAGGUUGCCUAAGGAGGGGUGAACCGGCCCAGGUCGGAAACGGAG
CAGGUCAAAACUCCCGUGCUGAUCAGUAGUGGGAUCGCGCCUGUGAAUAGCCUAGCGAGA
CCCCGUCUC
Sequence of entity 2 (5), FASTA
>7OBR_2 28S rRNA (chains 5)
CGCGACCUCAGAUCAGACGUGGCGACCCGCUGAAUUUAAGCAUAUUAGUCAGCGGAGGAG
AAGAAACUAACCAGGAUUCCCUCAGUAACGGCGAGUGAACAGGGAAGAGCCCAGCGCCGA
AUCCCCGCCCCGCGGCGGGGCGCGGGACAUGUGGCGUACGGAAGACCCGCUCCCCGGCGC
CGCUCGUGGGGGGCCCAAGUCCUUCUGAUCGAGGCCCAGCCCGUGGACGGUGUGAGGCCG
GUAGCGGCCCCCGGCGCGCCGGGCCCGGGUCUUCCCGGAGUCGGGUUGCUUGGGAAUGCA
GCCCAAAGCGGGUGGUAAACUCCAUCUAAGGCUAAAUACCGGCACGAGACCGAUAGUCAA
CAAGUACCGUAAGGGAAAGUUGAAAAGAACUUUGAAGAGAGAGUUCAAGAGGGCGUGAAA
CCGUUAAGAGGUAAACGGGUGGGGUCCGCGCAGUCCGCCCGGUUCAACCCGGCGGCGGGU
CCGGCCGUGUCGGCGGGUCCCCCGACCGGCGACCGGCCGCCGCCGGGCGCAUUUCCACCG
CGGCGGUGCGCCGCGACCGGCUCCGGGACGGCUGGGAAGGCCCGGCGGGGAAGGUGGCUC
GGCCGAGUGUUACAGCCCCCCCGGCAGCAGCACUCGCCGAAUCCCGGGGCCGAGGGAGCG
AGACCCGUCGCCGCGCUCUCCCCCCUCGGGGGGGCCGGGCCACCCCUCCCACGGCGCGAC
CGCUCGGGGCGGACUGUCCCCAGUGCGCCCCGGGCGGGUCGCGCCGUCGGGCCCGGGGGA
GGGGCCACGCGGCGAGCGCACGGGGUCGGCGGCGACGUCGGCUACCCACCCGACCCGUCU
UGAAACACGGACCAAGGAGUCUAACACGUGCGCGAGUCGGGGGCUCGCACGAAAGCCGCC
GUGGCGCAAUGAAGGUGAAGGCCGGCGCGCUCGCCGGCCGAGGUGGGAUCCCGAGGCCUC
UCCAGUCCGCCGAGGGCGCACCACCGGCCCGUCUCGCCCGCCGCGCCGGGGAGGUGGAGC
ACGAGCGCACGUGUUAGGACCCGAAAGAUGGUGAACUAUGCCUGGGCAGGGCGAAGCCAG
AGGAAACUCUGGUGGAGGUCCGUAGCGGUCCUGACGUGCAAAUCGGUCGUCCGACCUGGG
UAUAGGGGCGAAAGACUAAUCGAACCAUCUAGUAGCUGGUUCCCUCCGAAGUUUCCCUCA
GGAUAGCUGGCGCUCUCGCACACGCAGUUUUAUCCGGUAAAGCGAAUGAUUAGAGGUCUU
GGGGCCGAAACGAUCUCAACCUAUUCUCAAACUUUAAAUGGGUAAGAAGCCCGGCUCGCU
GGCGUGAGCCGGGCGUGGAAUGGAGUGCCUAGUGGGCCACUUUUGGUAAGCAGAACUGGC
GCUGCGGGAUGAACCGAACGCCGGGUUAAGGCGCCCGAUGCCGACGCUCAUCAGACCCCA
GAAAAGGUGUUGGUUGAUAUAGAGCCGAAUCAACUAGCCCUGAAAAUGGAUGGCGCUGGA
GCGUCGGGCCCAUACCCGGCCGUCGCCGGCAGUCGAGAGUGGACGGGAGCCCGCCCCCGG
AGCCCCGCGGACGCUACGCCGCGACGAGUAGGAGGGCCGCUGCGGUGAGCCUUGAAGCCU
AGGGCGCGGGCCCGGGUGGAGCCGCCGCAGGUGCAGAUCUUGGUGGUAGUAGCAAAUAUU
CAAACGAGAACUUUGAAGGCCGAAGUGGAGAAGGGUUCCAUGUGAACAGCAGUUGAACAU
GGGUCAGUCGGUCCUGAGAGAUGGGCGAGCGCCGUUCCGAAGGGACGGGCGAUGGCCUCC
GUUGCCCUCGGCCGAUCGAAAGGGAGUCGGGUUCAGAUCCCCGAAUCCGGAGUGGCGGAG
AUGGGCGCCGCGAGGCGUCCAGUGCGGUAACGCGACCGAUCCCGGAGAAGCCGGCGGGAG
CCCCGGGGAGAGUUCUCUUUUCUUUGUGAAGGGCAGGGCGCCCUGGAAUGGGUUCGCCCC
GAGAGAGGGGCCCGUGCCUUGGAAAGCGUCGCGGUUCCGGCGGCGUCCGGUGAGCUCUCG
CUGGCCCUUGAAAAUCCGGGGGAGAGGGUGUAAAUCUCGCGCCGGGCCGUACCCAUAUCC
GCAGCAGGUCUCCAAGGUGAACAGCCUCUGGCAUGUUGGAACAAUGUAGGUAAGGGAAGU
CGGCAAGCCGGAUCCGUAACUUCGGGAUAAGGAUUGGCUCUAAGGGCUGGGUCGGUCGUC
GGCCGGCGCCUAGCAGCCGACUUAGAACUGGUGCGGACCAGGGGAAUCCGACUGUUUAAU
UAAAACAAAGCAUCGCGAAGGCCCGCGGCGGGUGUUGACGCGAUGUGAUUUCUGCCCAGU
GCUCUGAAUGUCAAAGUGAAGAAAUUCAAUGAAGCGCGGGUAAACGGCGGGAGUAACUAU
GACUCUCUUAAGGUAGCCAAAUGCCUCGUCAUCUAAUUAGUGACGCGCAUGAAUGGAUGA
ACGAGAUUCCCACUGUCCCUACCUACUAUCCAGCGAAACCACAGCCAAGGGAACGGGCUU
GGCGGAAUCAGCGGGGAAAGAAGACCCUGUUGAGCUUGACUCUAGUCUGGCACGGUGAAG
AGACAUGUUUUUUCACUGACCCGGUGAGGCGGGGGGGCGCUCGCUUCUGGCGCCAAGCGC
CCGGCCGCGCGCCGGCCGGGCGCGACCCGCUCCGGGGACAGUGCCAGGUGGGGAGUUUGA
CUGGGGCGGUACACCUGUCAAACGGUAACGCAGGUGUCCUAAGGCGAGCUCAGGGAGGAC
AGAAACCUCCCGUGGAGCAGAAGGGCAAAAGCUCGCUUGAUCUUGAUUUUCAGUACGAAU
ACAGACCGUGAAAGCGGGGCCUCACGAUCCUUCUGACCUUUUGGGUUUUAAGCAGGAGGU
GUCAGAAAAGUUACCACAGGGAUAACUGGCUUGUGGCGGCCAAGCGUUCAUAGCGACGUC
GCUUUUUGAUCCUUCGAUGUCGGCUCUUCCUAUCAUUGUGAAGCAGAAUUCACCAAGCGU
UGGAUUGUUCACCCACUAAUAGGGAACGUGAGCUGGGUUUAGACCGUCGUGAGACAGGUU
AGUUUUACCCUACUGAUGAUGUGUUGUUGCCAUGGUAAUCCUGCUCAGUACGAGAGGAAC
CGCAGGUUCAGACAUUUGGUGUAUGUGCUUGGCUGAGGAGCCAAUGGGGCGAAGCUACCA
UCUGUGGGAUUAUGACUGAACGCCUCUAAGUCAGAAUCCCGCCCAGGCGGAACGAUACGG
CAGCGCCGCGGAGCCUCGGUUGGCCUCGGAUAGCCGGUCCCCCGCGGGGUCCGGUGCGGA
GUGCCCUUCGUCCUGGGAAACGGGGCGCGGCCGGAGAGGCGGCCGCCCCCUCGCCCGUCA
CGCACGCCGUUCGUGGGGAACCUGGCGCUAAACCAUUCGUAGACGACCUGCUUCUGGGUC
GGGGUUUCGUACGUAGCAGAGCAGCUCCCUCGCUGCGAUCUAUUGAAAGUCAGCCCUCGA
CACAAGGGUUUGU
Sequence of entity 3 (7), FASTA
>7OBR_3 5S ribosomal RNA (chains 7)
GUCUACGGCCAUACCACCCUGAACGCGCCCGAUCUCGUCUGAUCUCGGAAGCUAAGCAGG
GUCGGGCCUGGUUAGUACUUGGAUGGGAGACCGCCUGGGAAUACCGGGUGCUGUAGGCUU
Sequence of entity 4 (8), FASTA
>7OBR_4 5.8S ribosomal RNA (chains 8)
CGACUCUUAGCGGUGGAUCACUCGGCUCGUGCGUCGAUGAAGAACGCAGCUAGCUGCGAG
AAUUAAUGUGAAUUGCAGGACACAUUGAUCAUCGACACUUCGAACGCACUUGCGGCCCCG
GGUUCCUCCCGGGGCUACGCCUGUCUGAGCGUCGCU
Sequence of entity 5 (A), FASTA
>7OBR_5 60S ribosomal protein L8 (chains A)
MGRVIRGQRKGAGSVFRAHVKHRKGAARLRAVDFAERHGYIKGIVKDIIHDPGRGAPLAK
VVFRDPYRFKKRTELFIAAEGIHTGQFVYCGKKAQLNIGNVLPVGTMPEGTIVCCLEEKP
GDRGKLARASGNYATVISHNPETKKTRVKLPSGSKKVISSANRAVVGVVAGGGRIDKPIL
KAGRAYHKYKAKRNCWPRVRGVAMNPVEHPFGGGNHQHIGKPSTIRRDAPAGRKVGLIAA
RRTGR
Sequence of entity 6 (B), FASTA
>7OBR_6 uL3 (chains B)
SHRKFSAPRHGSLGFLPRKRSSRHRGKVKSFPKDDPSKPVHLTAFLGYKAGMTHIVREVD
RPGSKVNKKEVVEAVTIVETPPMVVVGIVGYVETPRGLRTFKTVFAEHISDECKRRFYKN
WHKSKKKAFTKYCKKWQDDAGKRQLDKDFSSMKKYCQVIRVLAHTQMRLLPLRQKKAHLM
EIQVNGGTVAEKLDWARERLEQQVPVSQVFGQDEMIDVIGVTKGKGYKGVTSRWHTKKLP
RKTHRGLRKVACIGAWHPARVAFSVARAGQKGYHHRTEINKKIYKIGQGYLIKDGKLIKN
NASTDYDLSDKSINPLGGFVHYGEVTNDFVMLKGCVVGTKKRVLTLRKSLLVQTKRRALE
KIDLKFIDTTSKFGHGRFQTVEEKKAFMGPLKKDRIAKEEGA
Sequence of entity 7 (C), FASTA
>7OBR_7 60S ribosomal protein L4 (chains C)
MACARPLISVYSEKGESSGKNVTLPAVFKAPIRPDIVNFVHTNLRKNNRQPYAVSELAGH
QTSAESWGTGRAVARIPRVRGGGTHRSGQGAFGNMCRGGRMFAPTKTWRRWHRRVNTTQK
RYAICSALAASALPALVMSKGHRIEEVPELPLVVEDKVEGYKKTKEAVLLLKKLKAWNDI
KKVYASQRMRAGKGKMRNRRRIQRRGPCVIYNEDNGIVKAFRNIPGITLLNVTKLNILKL
APGGHVGRFCIWTESAFRKLDDLYGTWRKAASLKSNYNLPMHKMLNTDLSRILKSPEIQR
ALRAPRKKIHRRVLKKNPLKNLRIMLKLNPYAKTMRRNTILRQARNHKLRVERAAAALAA
KSDPKEAPAKKKPVVGKKKKPVVGRKAAAAKKPAADKKAADKRAGPEDKKPAA
Sequence of entity 8 (D), FASTA
>7OBR_8 60S ribosomal protein L5 (chains D)
MGFVKVVKNKAYFKRYQVKFRRRREGKTDYYARKRLVIQDKNKYNTPKYRMIVRVTNRDI
ICQIAYARIEGDMIVCAAYAHELPKYGVKVGLTNYAAAYCTGLLLARRLLNRFGMDKIYE
GQVEVTGDEYNVESIDGQPGAFTCYLDAGLARTTTGNKVFGALKGAVDGGLSIPHSTKRF
PGYDSESKEFNAEVHRKHIMGQNVADYMRYLMEEDEDAYKKQFSQYIKNNVTPDMMEEMY
KKAHAAIRENPVYEKKPKREVKKKRWNRPKMSLAQKKDRVAQKKASFLRAQERAAES
Sequence of entity 9 (E), FASTA
>7OBR_9 60S ribosomal protein L6 (chains E)
PHCSRNPVLVRGIGRYSRSAMYSRKALYKRKYAAPKSRIERKKKREKVLATVTKPVGGDK
NGGTRVVKLRKMPRYYPTEDVPRKLLSHGRKPFSQHVRKLRASITPGTILIILTGRHRGK
RVVFLKQLSSGLLLVTGPLSLNRVPLRRTHQKFVIATSTKIDISGVKIPKHLTDAYFKKK
QLRKPRHQEGEIFDTEKEKYEITEQRKVDQKAVDSQILPKIKAVPQLQGYLRSVFALTNG
VYPHKLVF
Sequence of entity 10 (F), FASTA
>7OBR_10 uL30 (chains F)
NFAELKIKRLRKKFAQKMLRKARRKLIYEKAKHYHKEYRQMYRTEIRMARMARKAGNFYV
PAEPKLAFVIRIRGINGVSPKVRKVLQLLRLRQIFNGTFVKLNKASINMLRIVEPYIAWG
YPNLKSVNELIYKRGYGKINKKRIALTDNALIARSLGKYGIICMEDLIHEIYTVGKRFKE
ANNFLWPFKLSSPRGGMKKKTTHFVEGEDAGNREDQINRLIRRMN
Sequence of entity 11 (G), FASTA
>7OBR_11 60S ribosomal protein L7a (chains G)
MSSYRLGYCMKEERHNLVLCLWSQSPGILNSKCLWPFTNIHLLVGALPREGAGGAWGGGR
SEQLPTCSTTHHDFTWDKKVVNPLFEKRPKNFGIGQDIQPKRDLTRFVKWPRYIRLQRQR
AILYKRLKVPPAINQFTQVLDRQTATQLLKLAHKYRPETKQEKKQRLLARAEKKAAGKGD
VPTKRPPVLRAGVNTVTTLVENKKAQLVVIAHDVDPIELVVFLPALCRKMGVPYCILKGK
ARLCRLVHRKTCTTVAFTQVNSEDKGALAKLVEAIRTNYNDRYDEIRRHWGGNVLGPKSV
ARIAKLEKAKAKELATKLG
Sequence of entity 12 (H), FASTA
>7OBR_12 60S ribosomal protein L9 (chains H)
MKTILSNQTVDIPENVDISLKGRTVIVKGPRGTLRRDFNHINVELSLLGKKKKRLRVDKW
WGNRKELATVRTICSHVQNMIKGVTLGFRYKMRSVYAHFPINVVIQENGSLVEIRNFLGE
KYIRRVRMRPGVACSVSQAQKDELVLEGNDIELVSNSAALIQQATTVKNKDIRKFLDGIY
VSEKGTVQQADE

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg97
ZNZinc ionZn5
GDPGuanosine-5'-diphosphateC10 H15 N5 O11 P21

Primary citation

Molecular mechanism of cargo recognition and handover by the mammalian signal recognition particle. Jomaa, A., Eitzinger, S., Zhu, Z. et al. Cell Rep (2021) 36:109350-109350. DOI 10.1016/j.celrep.2021.109350 · PubMed

Other PDB entries of the same protein (UniProt A0A5F9D5B2 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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