9G5B: 28S ribosomal protein S34, mitochondrial

Assembly intermediate of human mitochondrial ribosome small subunit (State A). Determined by electron microscopy at 3.2 Å resolution. Released 23 Apr 2025.

Method
Electron microscopy
Resolution
3.2 Å
Organism
Homo sapiens
Chains
32
Atoms
68,040
Mol. weight
1265.3 kDa
Ligands
GDP, ATP, FES, ZN
Released
23 Apr 2025

Explore 9G5B in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

9G5B contains 353 α-helices and 210 β-strands across 31 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 0: 16 helices, 12 β-strands

ElementResiduesLengthSheet
α-helix5-84
α-helix10-2516
α-helix30-334
β-strand3711
β-strand4211
α-helix481
β-strand4911
α-helix50-512
α-helix52-543
α-helix55-606
β-strand6212
α-helix64-685
α-helix72-754
β-strand80-8232
α-helix83-886
β-strand94-9522
β-strand99-10242
β-strand112-12092
β-strand123-13082
β-strand139-14132
α-helix147-1515
β-strand163-16533
α-helix166-1672
α-helix168-18114
α-helix187-1893
β-strand190-19233
α-helix204-2052
α-helix207-2093
Chain 1: 21 helices, 6 β-strands
ElementResiduesLengthSheet
α-helix50-556
α-helix56-594
α-helix66-694
β-strand86-8726
α-helix89-913
α-helix961
β-strand97-9826
α-helix103-1075
α-helix116-12611
α-helix127-1293
α-helix132-1343
α-helix140-1467
β-strand150-15677
α-helix166-1694
β-strand171-17667
α-helix177-1793
α-helix184-19411
α-helix195-1973
β-strand198-19927
β-strand204-20967
α-helix215-23420
α-helix239-2413
α-helix245-2473
α-helix257-27317
α-helix280-2845
α-helix287-30115
α-helix306-32015
Chain 4: 40 helices, 1 β-strand
ElementResiduesLengthSheet
α-helix59-602
β-strand61-64415
α-helix69-757
α-helix79-813
α-helix100-12324
α-helix125-1273
α-helix138-1403
α-helix154-16310
α-helix166-17914
α-helix185-19814
α-helix202-2043
α-helix243-2508
α-helix256-26813
α-helix272-28413
α-helix291-30414
α-helix309-32618
α-helix328-3303
α-helix332-34211
α-helix347-36317
α-helix369-37911
α-helix389-40012
α-helix410-4134
α-helix415-42612
α-helix429-44012
α-helix444-4485
α-helix451-46818
α-helix471-48111
α-helix487-4893
α-helix490-50314
α-helix509-51911
α-helix525-53612
α-helix542-56019
α-helix563-5664
α-helix568-5692
α-helix573-58614
α-helix589-60214
α-helix604-6074
α-helix608-62114
α-helix624-63613
α-helix641-65212
α-helix657-66913
Chain 9: 18 helices, 27 β-strands
ElementResiduesLengthSheet
α-helix87-948
α-helix200-2045
α-helix206-2094
β-strand216-222716
α-helix231-2333
α-helix234-2374
β-strand242-248716
α-helix260-27415
β-strand278116
β-strand309-315716
β-strand317117
β-strand322117
α-helix324-33310
β-strand341-345516
β-strand346118
α-helix351-3599
β-strand376-379416
β-strand386-391616
β-strand493-496416
α-helix497-4993
β-strand500118
α-helix501-5022
α-helix506-5094
α-helix512-5187
β-strand527-531519
β-strand535-539520
β-strand543-548620
β-strand554-560719
β-strand566-570520
α-helix571-58111
α-helix593-5997
α-helix601-6022
β-strand603-609720
β-strand613121
β-strand621-624419
β-strand629-635719
α-helix6361
β-strand637121
β-strand642-648720
β-strand654-656319
α-helix661-6633
β-strand670122
β-strand676119
β-strand677122
α-helix678-6792
Chain a: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix91-10818
α-helix115-1206
β-strand124-129623
β-strand136-141623
α-helix146-17025
β-strand179-184623
α-helix187-19711
Chain B: 12 helices, 10 β-strands
ElementResiduesLengthSheet
α-helix56-594
α-helix60-645
α-helix65-684
α-helix75-784
α-helix81-877
β-strand91-94424
α-helix100-1023
β-strand106-110524
β-strand113-116424
α-helix118-13720
β-strand142-145425
α-helix152-16211
β-strand165-167325
α-helix179-1835
α-helix187-1904
β-strand192-195425
β-strand199126
β-strand205126
α-helix207-2159
β-strand219-221325
β-strand234-235225
α-helix243-27331
Chain c: 19 helices, 8 β-strands
ElementResiduesLengthSheet
α-helix13-175
α-helix18-258
α-helix41-5111
β-strand58-62527
α-helix68-758
β-strand80-84527
α-helix91-10010
β-strand106-108327
β-strand136-140527
α-helix144-15916
α-helix163-1675
β-strand171-177727
α-helix178-1847
α-helix186-1872
α-helix195-2017
β-strand204-208527
β-strand212127
β-strand225-232827
α-helix242-25312
α-helix260-2645
α-helix265-2673
α-helix270-2723
α-helix273-28311
α-helix292-2943
α-helix297-31317
α-helix315-3173
α-helix322-3265
Chain C: 4 helices, 8 β-strands
ElementResiduesLengthSheet
β-strand50-51228
α-helix53-564
α-helix59-613
β-strand62129
β-strand66129
β-strand70-71230
α-helix82-9918
β-strand104-111830
β-strand117-124830
α-helix129-14719
β-strand151-158830
β-strand165-166228

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

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
28S ribosomal protein S34, mitochondrial0protein218Homo sapiensP82930 (AlphaFold model)
28S ribosomal protein S35, mitochondrial1protein323Homo sapiensP82673 (AlphaFold model)
Pentatricopeptide repeat domain-containing protein 3, mitochondrial4protein689Homo sapiensQ96EY7 (AlphaFold model)
Nitric oxide-associated protein 19protein706Homo sapiensQ8NC60 (AlphaFold model)
12S mitochondrial rRNAARNA955Homo sapiens
28S ribosomal protein S2, mitochondrialBprotein296Homo sapiensQ9Y399
28S ribosomal protein S24, mitochondrialCprotein167Homo sapiensQ96EL2
28S ribosomal protein S5, mitochondrialDprotein430Homo sapiensP82675
28S ribosomal protein S6, mitochondrialEprotein125Homo sapiensP82932
28S ribosomal protein S7, mitochondrialFprotein242Homo sapiensQ9Y2R9
28S ribosomal protein S9, mitochondrialGprotein396Homo sapiensP82933
28S ribosomal protein S10, mitochondrialHprotein201Homo sapiensP82664

20 more molecules are not listed.

Sequence of entity 1 (0), FASTA
>9G5B_1 28S ribosomal protein S34, mitochondrial (chains 0)
MARKKVRPRLIAELARRVRALREQLNRPRDSQLYAVDYETLTRPFSGRRLPVRAWADVRR
ESRLLQLLGRLPLFGLGRLVTRKSWLWQHDEPCYWRLTRVRPDYTAQNLDHGKAWGILTF
KGKTESEAREIEHVMYHDWRLVPKHEEEAFTAFTPAPEDSLASVPYPPLLRAMIIAERQK
NGDTSTEEPMLNVQRIRMEPWDYPAKQEDKGRAKGTPV
Sequence of entity 2 (1), FASTA
>9G5B_2 28S ribosomal protein S35, mitochondrial (chains 1)
MAAAALPAWLSLQSRARTLRAFSTAVYSATPVPTPSLPERTPGNERPPRRKALPPRTEKM
AVDQDWPSVYPVAAPFKPSAVPLPVRMGYPVKKGVPMAKEGNLELLKIPNFLHLTPVAIK
KHCEALKDFCTEWPAALDSDEKCEKHFPIEIDSTDYVSSGPSVRNPRARVVVLRVKLSSL
NLDDHAKKKLIKLVGERYCKTTDVLTIKTDRCPLRRQNYDYAVYLLTVLYHESWNTEEWE
KSKTEADMEEYIWENSSSERNILETLLQMKAAEKNMEINKEELLGTKEIEEYKKSVVSLK
NEEENENSISQYKESVKRLLNVT
Sequence of entity 3 (4), FASTA
>9G5B_3 Pentatricopeptide repeat domain-containing protein 3, mitochondrial (chains 4)
MAVVSAVRWLGLRSRLGQPLTGRRAGLCEQARSCRFYSGSATLSKVEGTDVTGIEEVVIP
KKKTWDKVAVLQALASTVNRDTTAVPYVFQDDPYLMPASSLESRSFLLAKKSGENVAKFI
INSYPKYFQKDIAEPHIPCLMPEYFEPQIKDISEAALKERIELRKVKASVDMFDQLLQAG
TTVSLETTNSLLDLLCYYGDQEPSTDYHFQQTGQSEALEEENDETSRRKAGHQFGVTWRA
KNNAERIFSLMPEKNEHSYCTMIRGMVKHRAYEQALNLYTELLNNRLHADVYTFNALIEA
TVCAINEKFEEKWSKILELLRHMVAQKVKPNLQTFNTILKCLRRFHVFARSPALQVLREM
KAIGIEPSLATYHHIIRLFDQPGDPLKRSSFIIYDIMNELMGKRFSPKDPDDDKFFQSAM
SICSSLRDLELAYQVHGLLKTGDNWKFIGPDQHRNFYYSKFFDLICLMEQIDVTLKWYED
LIPSAYFPHSQTMIHLLQALDVANRLEVIPKIWKDSKEYGHTFRSDLREEILMLMARDKH
PPELQVAFADCAADIKSAYESQPIRQTAQDWPATSLNCIAILFLRAGRTQEAWKMLGLFR
KHNKIPRSELLNELMDSAKVSNSPSQAIEVVELASAFSLPICEGLTQRVMSDFAINQEQK
EALSNLTALTSDSDTDSSSDSDSDTSEGK
Sequence of entity 4 (9), FASTA
>9G5B_4 Nitric oxide-associated protein 1 (chains 9)
MLPARLPFRLLSLFLRGSAPTAARHGLREPLLERRCAAASSFQHSSSLGRELPYDPVDTE
GFGEGGDMQERFLFPEYILDPEPQPTREKQLQELQQQQEEEERQRQQRREERRQQNLRAR
SREHPVVGHPDPALPPSGVNCSGCGAELHCQDAGVPGYLPREKFLRTAEADGGLARTVCQ
RCWLLSHHRRALRLQVSREQYLELVSAALRRPGPSLVLYMVDLLDLPDALLPDLPALVGP
KQLIVLGNKVDLLPQDAPGYRQRLRERLWEDCARAGLLLAPGHQGPQRPVKDEPQDGENP
NPPNWSRTVVRDVRLISAKTGYGVEELISALQRSWRYRGDVYLVGATNAGKSTLFNTLLE
SDYCTAKGSEAIDRATISPWPGTTLNLLKFPICNPTPYRMFKRHQRLKKDSTQAEEDLSE
QEQNQLNVLKKHGYVVGRVGRTFLYSEEQKDNIPFEFDADSLAFDMENDPVMGTHKSTKQ
VELTAQDVKDAHWFYDTPGITKENCILNLLTEKEVNIVLPTQSIVPRTFVLKPGMVLFLG
AIGRIDFLQGNQSAWFTVVASNILPVHITSLDRADALYQKHAGHTLLQIPMGGKERMAGF
PPLVAEDIMLKEGLGASEAVADIKFSSAGWVSVTPNFKDRLHLRGYTPEGTVLTVRPPLL
PYIVNIKGQRIKKSVAYKTKKPPSLMYNVRKKKGKINVDYKDDDDK
Sequence of entity 5 (A), FASTA
>9G5B_5 12S mitochondrial rRNA (chains A)
AAUAGGUUUGGUCCUAGCCUUUCUAUUAGCUCUUAGUAAGAUUACACAUGCAAGCAUCCC
CGUUCCAGUGAGUUCACCCUCUAAAUCACCACGAUCAAAAGGGACAAGCAUCAAGCACGC
AGCAAUGCAGCUCAAAACGCUUAGCCUAGCCACACCCCCACGGGAAACAGCAGUGAUUAA
CCUUUAGCAAUAAACGAAAGUUUAACUAAGCUAUACUAACCCCAGGGUUGGUCAAUUUCG
UGCCAGCCACCGCGGUCACACGAUUAACCCAAGUCAAUAGAAGCCGGCGUAAAGAGUGUU
UUAGAUCACCCCCUCCCCAAUAAAGCUAAAACUCACCUGAGUUGUAAAAAACUCCAGUUG
ACACAAAAUAGACUACGAAAGUGGCUUUAACAUAUCUGAACACACAAUAGCUAAGACCCA
AACUGGGAUUAGAUACCCCACUAUGCUUAGCCCUAAACCUCAACAGUUAAAUCAACAAAA
CUGCUCGCCAGAACACUACGAGCCACAGCUUAAAACUCAAAGGACCUGGCGGUGCUUCAU
AUCCCUCUAGAGGAGCCUGUUCUGUAAUCGAUAAACCCCGAUCAACCUCACCACCUCUUG
CUCAGCCUAUAUACCGCCAUCUUCAGCAAACCCUGAUGAAGGCUACAAAGUAAGCGCAAG
UACCCACGUAAAGACGUUAGGUCAAGGUGUAGCCCAUGAGGUGGCAAGAAAUGGGCUACA
UUUUCUACCCCAGAAAACUACGAUAGCCCUUAUGAAACUUAAGGGUCGAAGGUGGAUUUA
GCAGUAAACUGAGAGUAGAGUGCUUAGUUGAACAGGGCCCUGAAGCGCGUACACACCGCC
CGUCACCCUCCUCAAGUAUACUUCAAAGGACAUUUAACUAAAACCCCUACGCAUUUAUAU
AGAGGAGACAAGUCGUAACAUGGUAAGUGUACUGGAAAGUGCACUUGGACGAACC
Sequence of entity 6 (B), FASTA
>9G5B_6 28S ribosomal protein S2, mitochondrial (chains B)
MATSSAALPRILGAGARAPSRWLGFLGKATPRPARPSRRTLGSATALMIRESEDSTDFND
KILNEPLKHSDFFNVKELFSVRSLFDARVHLGHKAGCRHRFMEPYIFGSRLDHDIIDLEQ
TATHLQLALNFTAHMAYRKGIILFISRNRQFSYLIENMARDCGEYAHTRYFRGGMLTNAR
LLFGPTVRLPDLIIFLHTLNNIFEPHVAVRDAAKMNIPTVGIVDTNCNPCLITYPVPGND
DSPLAVHLYCRLFQTAITRAKEKRQQVEALYRLQGQKEPGDQGPAHPPGADMSHSL
Sequence of entity 7 (C), FASTA
>9G5B_7 28S ribosomal protein S24, mitochondrial (chains C)
MAASVCSGLLGPRVLSWSRELPCAWRALHTSPVCAKNRAARVRVSKGDKPVTYEEAHAPH
YIAHRKGWLSLHTGNLDGEDHAAERTVEDVFLRKFMWGTFPGCLADQLVLKRRGNQLEIC
AVVLRQLSPHKYYFLVGYSETLLSYFYKCPVRLHLQTVPSKVVYKYL
Sequence of entity 8 (D), FASTA
>9G5B_8 28S ribosomal protein S5, mitochondrial (chains D)
MATAVRAVGCLPVLCSGTAGHLLGRQCSLNTLPAASILAWKSVLGNGHLSSLGTRDTHPY
ASLSRALQTQCCISSPSHLMSQQYRPYSFFTKLTADELWKGALAETGAGAKKGRGKRTKK
KKRKDLNRGQIIGEGRYGFLWPGLNVPLMKNGAVQTIAQRSKEEQEKVEADMIQQREEWD
RKKKMKVKRERGWSGNSWGGISLGPPDPGPCGETYEDFDTRILEVRNVFTMTAKEGRKKS
IRVLVAVGNGKGAAGFSIGKATDRMDAFRKAKNRAVHHLHYIERYEDHTIFHDISLRFKR
THIKMKKQPKGYGLRCHRAIITICRLIGIKDMYAKVSGSINMLSLTQGLFRGLSRQETHQ
QLADKKGLHVVEIREECGPLPIVVASPRGPLRKDPEPEDEVPDVKLDWEDVKTAQGMKRS
VWSNLKRAAT
Sequence of entity 9 (E), FASTA
>9G5B_9 28S ribosomal protein S6, mitochondrial (chains E)
MPRYELALILKAMQRPETAATLKRTIEALMDRGAIVRDLENLGERALPYRISAHSQQHNR
GGYFLVDFYAPTAAVESMVEHLSRDIDVIRGNIVKHPLTQELKECEGIVPVPLAEKLYST
KKRKK
Sequence of entity 10 (F), FASTA
>9G5B_10 28S ribosomal protein S7, mitochondrial (chains F)
MAAPAVKVARGWSGLALGVRRAVLQLPGLTQVRWSRYSPEFKDPLIDKEYYRKPVEELTE
EEKYVRELKKTQLIKAAPAGKTSSVFEDPVISKFTNMMMIGGNKVLARSLMIQTLEAVKR
KQFEKYHAASAEEQATIERNPYTIFHQALKNCEPMIGLVPILKGGRFYQVPVPLPDRRRR
FLAMKWMITECRDKKHQRTLMPEKLSHKLLEAFHNQGPVIKRKHDLHKMAEANRALAHYR
WW
Sequence of entity 11 (G), FASTA
>9G5B_11 28S ribosomal protein S9, mitochondrial (chains G)
MAAPCVSYGGAVSYRLLLWGRGSLARKQGLWKTAAPELQTNVRSQILRLRHTAFVIPKKN
VPTSKRETYTEDFIKKQIEEFNIGKRHLANMMGEDPETFTQEDIDRAIAYLFPSGLFEKR
ARPVMKHPEQIFPRQRAIQWGEDGRPFHYLFYTGKQSYYSLMHDVYGMLLNLEKHQSHLQ
AKSLLPEKTVTRDVIGSRWLIKEELEEMLVEKLSDLDYMQFIRLLEKLLTSQCGAAEEEF
VQRFRRSVTLESKKQLIEPVQYDEQGMAFSKSEGKRKTAKAEAIVYKHGSGRIKVNGIDY
QLYFPITQDREQLMFPFHFVDRLGKHDVTCTVSGGGRSAQAGAIRLAMAKALCSFVTEDE
VEWMRQAGLLTTDPRVRERKKPGQEGARRKFTWKKR
Sequence of entity 12 (H), FASTA
>9G5B_12 28S ribosomal protein S10, mitochondrial (chains H)
MAARTAFGAVCRRLWQGLGNFSVNTSKGNTAKNGGLLLSTNMKWVQFSNLHVDVPKDLTK
PVVTISDEPDILYKRLSVLVKGHDKAVLDSYEYFAVLAAKELGISIKVHEPPRKIERFTL
LQSVHIYKKHRVQYEMRTLYRCLELEHLTGSTADVYLEYIQRNLPEGVAMEVTKTQLEQL
PEHIKEPIWETLSEEKEESKS

Ligands and cofactors

IDNameFormulaCopies
GDPGuanosine-5'-diphosphateC10 H15 N5 O11 P21
ATPAdenosine-5'-triphosphateC10 H16 N5 O13 P31
FESFE2/S2 (inorganic) clusterFe2 S22
ZNZinc ionZn1
MGMagnesium ionMg12

Primary citation

Coupling of ribosome biogenesis and translation initiation in human mitochondria. Heinrichs, M., Finke, A.F., Aibara, S. et al. Nat Commun (2025) 16:3641-3641. DOI 10.1038/s41467-025-58827-x · PubMed

Other PDB entries of the same protein (UniProt P82930 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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