7NFX: UL2

Mammalian ribosome nascent chain complex with SRP and SRP receptor in early state A. Determined by electron microscopy at 3.2 Å resolution. Released 2 Jun 2021.

Method
Electron microscopy
Resolution
3.2 Å
Organisms
Homo sapiens, Oryctolagus cuniculus
Chains
55
Atoms
148,232
Mol. weight
2468.07 kDa
Ligands
GNP, GTP, MG, ZN
Released
2 Jun 2021

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

Secondary structure: helices and β-sheets

7NFX contains 354 α-helices and 330 β-strands across 51 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: 9 helices, 6 β-strands

ElementResiduesLengthSheet
α-helix7-93
α-helix42-487
α-helix65-684
β-strand72-74310
α-helix75-773
α-helix79-813
α-helix84-885
β-strand100-102311
α-helix103-1064
β-strand110-112310
α-helix116-1183
β-strand123-126411
β-strand128-129210
α-helix131-14010
β-strand143-146411
Chain A: 10 helices, 17 β-strands
ElementResiduesLengthSheet
α-helix3-53
α-helix9-124
α-helix29-324
α-helix34-385
β-strand40-491012
α-helix571
β-strand58-64712
β-strand71-77712
α-helix781
β-strand79113
β-strand83114
β-strand87-91512
β-strand101-103315
β-strand112-114315
β-strand116116
β-strand126116
β-strand134-140715
α-helix142-1443
β-strand145-149515
β-strand155-159515
β-strand163-166415
α-helix1681
β-strand169113
α-helix174-1763
α-helix182-1909
β-strand224-225217
β-strand237-238217
Chain b: 3 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix12-187
α-helix37-4913
α-helix54-7522
Chain B: 17 helices, 20 β-strands
ElementResiduesLengthSheet
α-helix9-102
α-helix14-163
α-helix27-282
α-helix32-365
α-helix40-412
β-strand42-43218
β-strand45-591519
β-strand71-801019
α-helix82-832
β-strand84-951220
β-strand98-106920
α-helix112-1176
α-helix134-1385
α-helix140-15617
β-strand159-165720
α-helix178-1792
β-strand180-184520
β-strand185-186218
α-helix190-19910
β-strand204-205220
α-helix207-2104
β-strand216-222719
α-helix223-2253
β-strand228-229221
α-helix231-2344
α-helix237-2415
β-strand270-271221
β-strand276-2881319
β-strand292-293222
β-strand297-298222
α-helix300-3034
β-strand320123
β-strand324123
β-strand330-334519
β-strand344-349619
β-strand365-368419
α-helix382-3898
Chain c: 4 helices, 4 β-strands
ElementResiduesLengthSheet
α-helix14-2411
β-strand26-29424
α-helix32-409
β-strand45-48424
α-helix54-6714
β-strand70-73424
α-helix78-858
β-strand93-98624
Chain C: 23 helices, 13 β-strands
ElementResiduesLengthSheet
β-strand7-9325
β-strand10-11226
β-strand12-13227
β-strand15127
β-strand21-23325
α-helix24-252
α-helix26-294
α-helix31-322
α-helix34-4411
β-strand64-66328
β-strand77-79328
α-helix117-13014
α-helix134-1396
β-strand152-154326
α-helix156-1583
α-helix164-17310
α-helix177-18610
β-strand188-189229
α-helix190-1912
α-helix193-1953
β-strand201-202229
β-strand208-211426
α-helix217-2204
β-strand228-231426
α-helix237-2404
α-helix242-2443
β-strand250-253426
α-helix254-26411
α-helix279-2824
α-helix289-2935
α-helix296-2994
α-helix303-3053
α-helix310-3145
α-helix322-3287
α-helix331-3377
α-helix341-36222
Chain d: 5 helices, 4 β-strands
ElementResiduesLengthSheet
β-strand22-28730
α-helix29-335
α-helix38-403
α-helix42-5615
β-strand62-64330
α-helix66-727
α-helix73-753
β-strand83-90830
β-strand104-108530
Chain D: 17 helices, 10 β-strands
ElementResiduesLengthSheet
α-helix10-156
α-helix21-255
α-helix30-378
β-strand50-55631
β-strand60-66731
β-strand73-79731
α-helix80-823
α-helix83-864
α-helix95-11319
α-helix132-1354
α-helix139-1424
β-strand143132
β-strand145-147331
α-helix158-16912
β-strand172132
β-strand181133
β-strand183133
β-strand184134
β-strand189134
α-helix194-1996
α-helix202-21413
α-helix216-2227
α-helix224-2274
α-helix233-2353
α-helix236-24914
α-helix269-2724
α-helix273-29119

43 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 RNA 7SL1RNA299Homo sapiens
28S ribosomal RNA5RNA3493Oryctolagus cuniculus
5S ribosomal RNA7RNA120Oryctolagus cuniculus
5.8S ribosomal RNA8RNA156Oryctolagus cuniculus
uL2Aprotein245Oryctolagus cuniculus
uL3Bprotein403Oryctolagus cuniculusG1TL06 (AlphaFold model)
60S ribosomal protein L4Cprotein413Oryctolagus cuniculusG1SVW5 (AlphaFold model)
60S ribosomal protein L5Dprotein297Oryctolagus cuniculusP19949 (AlphaFold model)
60S ribosomal protein L6Eprotein291Oryctolagus cuniculusG1SKF7 (AlphaFold model)
uL30Fprotein225Oryctolagus cuniculusG1SV32
60S ribosomal protein L7aGprotein319Oryctolagus cuniculusG1STW0
60S ribosomal protein L9Hprotein192Oryctolagus cuniculusG1SWI6

43 more molecules are not listed.

Sequence of entity 1 (1), FASTA
>7NFX_1 SRP RNA 7SL (chains 1)
GCCGGGCGCGGUGGCGCGCGCCUGUAGUCCCAGCUACUCGGGAGGCUGAGGCAGGAGGAU
CGCUUGAGUCCAGGAGUUCUGGGCUGUAGUGCGCUAUGCCGAUCGGGUGUCCGCACUAAG
UUCGGCAUCAAUAUGGUGACCUCCCGGGAGCGGGGGACCACCAGGUUGCCUAAGGAGGGG
UGAACCGGCCCAGGUCGGAAACGGAGCAGGUCAAAACUCCCGUGCUGAUCAGUAGUGGGA
UCGCGCCUGUGAAUAGCCACUGCACUCCAGCCUGGGCAACAUAGCGAGACCCCGUCUCU
Sequence of entity 2 (5), FASTA
>7NFX_2 28S ribosomal RNA (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
>7NFX_3 5S ribosomal RNA (chains 7)
GUCUACGGCCAUACCACCCUGAACGCGCCCGAUCUCGUCUGAUCUCGGAAGCUAAGCAGG
GUCGGGCCUGGUUAGUACUUGGAUGGGAGACCGCCUGGGAAUACCGGGUGCUGUAGGCUU
Sequence of entity 4 (8), FASTA
>7NFX_4 5.8S ribosomal RNA (chains 8)
CGACUCUUAGCGGUGGAUCACUCGGCUCGUGCGUCGAUGAAGAACGCAGCUAGCUGCGAG
AAUUAAUGUGAAUUGCAGGACACAUUGAUCAUCGACACUUCGAACGCACUUGCGGCCCCG
GGUUCCUCCCGGGGCUACGCCUGUCUGAGCGUCGCU
Sequence of entity 5 (A), FASTA
>7NFX_5 uL2 (chains A)
MGRVIRGQRKGAGSVFRAHVKHRKGAARLRAVDFAERHGYIKGIVKDIIHDPGRGAPLAK
VVFRDPYRFKKRTELFIAAEGIHTGQFVYCGKKAQLNIGNVLPVGTMPEGTIVCCLEEKP
GDRGKLARASGNYATVISHNPETKKTRVKLPSGSKKVISSANRAVVGVVAGGGRIDKPIL
KAGRAYHKYKAKRNCWPRVRGVAMNPVEHPFGGGNHQHIGKPSTIRRDAPAGRKVGLIAA
RRTGR
Sequence of entity 6 (B), FASTA
>7NFX_6 uL3 (chains B)
MSHRKFSAPRHGSLGFLPRKRSSRHRGKVKSFPKDDPSKPVHLTAFLGYKAGMTHIVREV
DRPGSKVNKKEVVEAVTIVETPPMVVVGIVGYVETPRGLRTFKTVFAEHISDECKRRFYK
NWHKSKKKAFTKYCKKWQDDAGKRQLDKDFSSMKKYCQVIRVLAHTQMRLLPLRQKKAHL
MEIQVNGGTVAEKLDWARERLEQQVPVSQVFGQDEMIDVIGVTKGKGYKGVTSRWHTKKL
PRKTHRGLRKVACIGAWHPARVAFSVARAGQKGYHHRTEINKKIYKIGQGYLIKDGKLIK
NNASTDYDLSDKSINPLGGFVHYGEVTNDFVMLKGCVVGTKKRVLTLRKSLLVQTKRRAL
EKIDLKFIDTTSKFGHGRFQTVEEKKAFMGPLKKDRIAKEEGA
Sequence of entity 7 (C), FASTA
>7NFX_7 60S ribosomal protein L4 (chains C)
MACARPLISVYSEKGESSGKNVTLPAVFKAPIRPDIVNFVHTNLRKNNRQPYAVSELAGH
QTSAESWGTGRAVARIPRVRGGGTHRSGQGAFGNMCRGGRMFAPTKTWRRWHRRVNTTQK
RYAICSALAASALPALVMSKGHRIEEVPELPLVVEDKVEGYKKTKEAVLLLKKLKAWNDI
KKVYASQRMRAGKGKMRNRRRIQRRGPCVIYNEDNGIVKAFRNIPGITLLNVTKLNILKL
APGGHVGRFCIWTESAFRKLDDLYGTWRKAASLKSNYNLPMHKMLNTDLSRILKSPEIQR
ALRAPRKKIHRRVLKKNPLKNLRIMLKLNPYAKTMRRNTILRQARNHKLRVERAAAALAA
KSDPKEAPAKKKPVVGKKKKPVVGRKAAAAKKPAADKKAADKRAGPEDKKPAA
Sequence of entity 8 (D), FASTA
>7NFX_8 60S ribosomal protein L5 (chains D)
MGFVKVVKNKAYFKRYQVKFRRRREGKTDYYARKRLVIQDKNKYNTPKYRMIVRVTNRDI
ICQIAYARIEGDMIVCAAYAHELPKYGVKVGLTNYAAAYCTGLLLARRLLNRFGMDKIYE
GQVEVTGDEYNVESIDGQPGAFTCYLDAGLARTTTGNKVFGALKGAVDGGLSIPHSTKRF
PGYDSESKEFNAEVHRKHIMGQNVADYMRYLMEEDEDAYKKQFSQYIKNNVTPDMMEEMY
KKAHAAIRENPVYEKKPKREVKKKRWNRPKMSLAQKKDRVAQKKASFLRAQERAAES
Sequence of entity 9 (E), FASTA
>7NFX_9 60S ribosomal protein L6 (chains E)
MAGEKAPAAKPDATKKSPAKKADHARGKAKKKTLAEKKPKKGKPHCSRNPVLVRGIGRYS
RSAMYSRKALYKRKYAAPKSRIERKKKREKVLATVTKPVGGDKNGGTRVVKLRKMPRYYP
TEDVPRKLLSHGRKPFSQHVRKLRASITPGTILIILTGRHRGKRVVFLKQLSSGLLLVTG
PLSLNRVPLRRTHQKFVIATSTKIDISGVKIPKHLTDAYFKKKQLRKPRHQEGEIFDTEK
EKYEITEQRKVDQKAVDSQILPKIKAVPQLQGYLRSVFALTNGVYPHKLVF
Sequence of entity 10 (F), FASTA
>7NFX_10 uL30 (chains F)
NFAELKIKRLRKKFAQKMLRKARRKLIYEKAKHYHKEYRQMYRTEIRMARMARKAGNFYV
PAEPKLAFVIRIRGINGVSPKVRKVLQLLRLRQIFNGTFVKLNKASINMLRIVEPYIAWG
YPNLKSVNELIYKRGYGKINKKRIALTDNALIARSLGKYGIICMEDLIHEIYTVGKRFKE
ANNFLWPFKLSSPRGGMKKKTTHFVEGEDAGNREDQINRLIRRMN
Sequence of entity 11 (G), FASTA
>7NFX_11 60S ribosomal protein L7a (chains G)
MSSYRLGYCMKEERHNLVLCLWSQSPGILNSKCLWPFTNIHLLVGALPREGAGGAWGGGR
SEQLPTCSTTHHDFTWDKKVVNPLFEKRPKNFGIGQDIQPKRDLTRFVKWPRYIRLQRQR
AILYKRLKVPPAINQFTQVLDRQTATQLLKLAHKYRPETKQEKKQRLLARAEKKAAGKGD
VPTKRPPVLRAGVNTVTTLVENKKAQLVVIAHDVDPIELVVFLPALCRKMGVPYCILKGK
ARLCRLVHRKTCTTVAFTQVNSEDKGALAKLVEAIRTNYNDRYDEIRRHWGGNVLGPKSV
ARIAKLEKAKAKELATKLG
Sequence of entity 12 (H), FASTA
>7NFX_12 60S ribosomal protein L9 (chains H)
MKTILSNQTVDIPENVDISLKGRTVIVKGPRGTLRRDFNHINVELSLLGKKKKRLRVDKW
WGNRKELATVRTICSHVQNMIKGVTLGFRYKMRSVYAHFPINVVIQENGSLVEIRNFLGE
KYIRRVRMRPGVACSVSQAQKDELVLEGNDIELVSNSAALIQQATTVKNKDIRKFLDGIY
VSEKGTVQQADE

Ligands and cofactors

IDNameFormulaCopies
GNPPhosphoaminophosphonic acid-guanylate esterC10 H17 N6 O13 P31
GTPGuanosine-5'-triphosphateC10 H16 N5 O14 P31
MGMagnesium ionMg2
ZNZinc ionZn5

Primary citation

Receptor compaction and GTPase rearrangement drive SRP-mediated cotranslational protein translocation into the ER. Lee, J.H., Jomaa, A., Chung, S. et al. Sci Adv (2021) 7. DOI 10.1126/sciadv.abg0942 · PubMed

Other PDB entries of the same protein (UniProt G1TL06 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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