1FJG: Thermus thermophilus 30S ribosomal subunit

Structure of the thermus thermophilus 30S ribosomal subunit in complex with the antibiotics streptomycin, spectinomycin, and paromomycin. Determined by X-ray diffraction at 3.0 Å resolution. Released 25 Sept 2000.

Method
X-ray diffraction
Resolution
3.0 Å
Organism
Thermus thermophilus
Chains
22
Atoms
51,995
Mol. weight
789.32 kDa
Ligands
PAR, MG, SCM, SRY
Released
25 Sept 2000

Explore 1FJG in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1FJG contains 101 α-helices and 113 β-strands across 20 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 B: 10 helices, 7 β-strands

ElementResiduesLengthSheet
α-helix26-316
β-strand3211
β-strand4211
α-helix44-6421
β-strand68-7142
α-helix75-773
α-helix78-8710
β-strand92-9322
α-helix105-12117
α-helix132-14817
β-strand161-16442
α-helix171-18010
β-strand184-18852
α-helix194-1963
β-strand199-20242
α-helix208-22316
α-helix236-2427
Chain C: 8 helices, 12 β-strands
ElementResiduesLengthSheet
α-helix9-113
β-strand2113
α-helix29-4315
β-strand54-5634
β-strand5813
β-strand5915
β-strand6415
β-strand67-7044
α-helix73-775
α-helix83-919
β-strand103-10534
α-helix109-1113
α-helix113-12614
α-helix130-14314
β-strand148-15366
α-helix157-1593
β-strand16616
β-strand169-17136
β-strand182-18766
β-strand198-20366
Chain D: 13 helices, 8 β-strands
ElementResiduesLengthSheet
α-helix11-155
α-helix24-274
α-helix32-343
α-helix47-526
α-helix53-6715
α-helix72-8413
α-helix89-9810
β-strand10017
α-helix101-1077
α-helix114-1229
β-strand126-12838
β-strand13218
β-strand13917
β-strand14519
β-strand146-14838
α-helix151-1544
α-helix156-1649
β-strand174-17749
β-strand182-18549
α-helix188-1903
α-helix200-2067
Chain E: 4 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand7-14810
β-strand19-20211
β-strand23-24211
β-strand28-35810
β-strand40-48910
α-helix51-6313
β-strand66-68310
β-strand72112
β-strand75112
β-strand80-84513
β-strand87-93713
β-strand100-101213
α-helix104-1129
β-strand118-124713
α-helix128-14114
α-helix145-1528
Chain F: 3 helices, 6 β-strands
ElementResiduesLengthSheet
β-strand2-10914
α-helix16-3217
β-strand39-40214
β-strand44-52914
β-strand55-60614
β-strand63-67514
α-helix69-713
α-helix72-798
β-strand85-92814
Chain G: 8 helices, 4 β-strands
ElementResiduesLengthSheet
α-helix12-154
α-helix21-3010
α-helix36-5015
α-helix58-6912
β-strand73-76415
β-strand79-81316
β-strand83-84216
β-strand87-90415
α-helix93-10816
α-helix116-12914
α-helix132-14413
α-helix149-1524
Chain H: 5 helices, 12 β-strands
ElementResiduesLengthSheet
α-helix5-1814
β-strand25-27317
α-helix30-4112
β-strand47-53717
β-strand56-62717
β-strand65118
α-helix75-773
β-strand78118
β-strand83-85319
β-strand88120
β-strand91120
β-strand94-95219
α-helix103-1064
β-strand109-114619
β-strand117-120419
α-helix121-1266
β-strand131-137719
Chain I: 8 helices, 8 β-strands
ElementResiduesLengthSheet
β-strand4-6321
β-strand9121
β-strand14-21821
β-strand26-28321
β-strand31-32221
α-helix33-364
α-helix41-477
α-helix48-536
β-strand59-66821
α-helix70-8819
α-helix90-923
α-helix93-964
α-helix109-1113
β-strand118122
β-strand121122
α-helix122-1243

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

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
16S ribosomal RNAARNA1522Thermus thermophilus
Fragment of messenger RNAXRNA6Thermus thermophilus
30S ribosomal protein S2Bprotein256Thermus thermophilusP80371 (AlphaFold model)
30S ribosomal protein S3Cprotein239Thermus thermophilusP80372 (AlphaFold model)
30S ribosomal protein S4Dprotein209Thermus thermophilusP80373 (AlphaFold model)
30S ribosomal protein S5Eprotein162Thermus thermophilusQ5SHQ5 (AlphaFold model)
30S ribosomal protein S6Fprotein101Thermus thermophilusQ5SLP8
30S ribosomal protein S7Gprotein156Thermus thermophilusP17291
30S ribosomal protein S8Hprotein138Thermus thermophilusP0DOY9
30S ribosomal protein S9Iprotein128Thermus thermophilusP80374
30S ribosomal protein S10Jprotein105Thermus thermophilusQ5SHN7
30S ribosomal protein S11Kprotein129Thermus thermophilusP80376

10 more molecules are not listed.

Sequence of entity 1 (A), FASTA
>1FJG_1 16S RIBOSOMAL RNA (chains A)
UUUGUUGGAGAGUUUGAUCCUGGCUCAGGGUGAACGCUGGCGGCGUGCCUAAGACAUGCA
AGUCGUGCGGGCCGCGGGGUUUUACUCCGUGGUCAGCGGCGGACGGGUGAGUAACGCGUG
GGUGACCUACCCGGAAGAGGGGGACAACCCGGGGAAACUCGGGCUAAUCCCCCAUGUGGA
CCCGCCCCUUGGGGUGUGUCCAAAGGGCUUUGCCCGCUUCCGGAUGGGCCCGCGUCCCAU
CAGCUAGUUGGUGGGGUAAUGGCCCACCAAGGCGACGACGGGUAGCCGGUCUGAGAGGAU
GGCCGGCCACAGGGGCACUGAGACACGGGCCCCACUCCUACGGGAGGCAGCAGUUAGGAA
UCUUCCGCAAUGGGCGCAAGCCUGACGGAGCGACGCCGCUUGGAGGAAGAAGCCCUUCGG
GGUGUAAACUCCUGAACCCGGGACGAAACCCCCGACGAGGGGACUGACGGUACCGGGGUA
AUAGCGCCGGCCAACUCCGUGCCAGCAGCCGCGGUAAUACGGAGGGCGCGAGCGUUACCC
GGAUUCACUGGGCGUAAAGGGCGUGUAGGCGGCCUGGGGCGUCCCAUGUGAAAGACCACG
GCUCAACCGUGGGGGAGCGUGGGAUACGCUCAGGCUAGACGGUGGGAGAGGGUGGUGGAA
UUCCCGGAGUAGCGGUGAAAUGCGCAGAUACCGGGAGGAACGCCGAUGGCGAAGGCAGCC
ACCUGGUCCACCCGUGACGCUGAGGCGCGAAAGCGUGGGGAGCAAACCGGAUUAGAUACC
CGGGUAGUCCACGCCCUAAACGAUGCGCGCUAGGUCUCUGGGUCUCCUGGGGGCCGAAGC
UAACGCGUUAAGCGCGCCGCCUGGGGAGUACGGCCGCAAGGCUGAAACUCAAAGGAAUUG
ACGGGGGCCCGCACAAGCGGUGGAGCAUGUGGUUUAAUUCGAAGCAACGCGAAGAACCUU
ACCAGGCCUUGACAUGCUAGGGAACCCGGGUGAAAGCCUGGGGUGCCCCGCGAGGGGAGC
CCUAGCACAGGUGCUGCAUGGCCGUCGUCAGCUCGUGCCGUGAGGUGUUGGGUUAAGUCC
CGCAACGAGCGCAACCCCCGCCGUUAGUUGCCAGCGGUUCGGCCGGGCACUCUAACGGGA
CUGCCCGCGAAAGCGGGAGGAAGGAGGGGACGACGUCUGGUCAGCAUGGCCCUUACGGCC
UGGGCGACACACGUGCUACAAUGCCCACUACAAAGCGAUGCCACCCGGCAACGGGGAGCU
AAUCGCAAAAAGGUGGGCCCAGUUCGGAUUGGGGUCUGCAACCCGACCCCAUGAAGCCGG
AAUCGCUAGUAAUCGCGGAUCAGCCAUGCCGCGGUGAAUACGUUCCCGGGCCUUGUACAC
ACCGCCCGUCACGCCAUGGGAGCGGGCUCUACCCGAAGUCGCCGGGAGCCUACGGGCAGG
CGCCGAGGGUAGGGCCCGUGACUGGGGCGAAGUCGUAACAAGGUAGCUGUACCGGAAGGU
GCGGCUGGAUCACCUCCUUUCU
Sequence of entity 2 (X), FASTA
>1FJG_2 FRAGMENT OF MESSENGER RNA (chains X)
UUUUCU
Sequence of entity 3 (B), FASTA
>1FJG_3 30S RIBOSOMAL PROTEIN S2 (chains B)
MPVEITVKELLEAGVHFGHERKRWNPKFARYIYAERNGIHIIDLQKTMEELERTFRFIED
LAMRGGTILFVGTKKQAQDIVRMEAERAGMPYVNQRWLGGMLTNFKTISQRVHRLEELEA
LFASPEIEERPKKEQVRLKHELERLQKYLSGFRLLKRLPDAIFVVDPTKEAIAVREARKL
FIPVIALADTDSDPDLVDYIIPGNDDAIRSIQLILSRAVDLIIQARGGVVEPSPSYALVQ
EAEATETPEGESEVEA
Sequence of entity 4 (C), FASTA
>1FJG_4 30S RIBOSOMAL PROTEIN S3 (chains C)
MGNKIHPIGFRLGITRDWESRWYAGKKQYRHLLLEDQRIRGLLEKELYSAGLARVDIERA
ADNVAVTVHVAKPGVVIGRGGERIRVLREELAKLTGKNVALNVQEVQNPNLSAPLVAQRV
AEQIERRFAVRRAIKQAVQRVMESGAKGAKVIVSGRIGGAEQARTEWAAQGRVPLHTLRA
NIDYGFALARTTYGVLGVKAYIFLGEVIGGQKPKARPELPKAEERPRRRRPAVRVKKEE
Sequence of entity 5 (D), FASTA
>1FJG_5 30S RIBOSOMAL PROTEIN S4 (chains D)
MGRYIGPVCRLCRREGVKLYLKGERCYSPKCAMERRPYPPGQHGQKRARRPSDYAVRLRE
KQKLRRIYGISERQFRNLFEEASKKKGVTGSVFLGLLESRLDNVVYRLGFAVSRRQARQL
VRHGHITVNGRRVDLPSYRVRPGDEIAVAEKSRNLELIRQNLEAMKGRKVGPWLSLDVEG
MKGKFLRLPDREDLALPVQENLVIEFYSR
Sequence of entity 6 (E), FASTA
>1FJG_6 30S RIBOSOMAL PROTEIN S5 (chains E)
MPETDFEEKMILIRRTARMQAGGRRFRFGALVVVGDRQGRVGLGFGKAPEVPLAVQKAGY
YARRNMVEVPLQNGTIPHEIEVEFGASKIVLKPAAPGTGVIAGAVPRAILELAGVTDILT
KELGSRNPINIAYATMEALRQLRTKADVERLRKGEAHAQAQG
Sequence of entity 7 (F), FASTA
>1FJG_7 30S RIBOSOMAL PROTEIN S6 (chains F)
MRRYEVNIVLNPNLDQSQLALEKEIIQRALENYGARVEKVEELGLRRLAYPIAKDPQGYF
LWYQVEMPEDRVNDLARELRIRDNVRRVMVVKSQEPFLANA
Sequence of entity 8 (G), FASTA
>1FJG_8 30S RIBOSOMAL PROTEIN S7 (chains G)
MARRRRAEVRQLQPDLVYGDVLVTAFINKIMRDGKKNLAARIFYDACKIIQEKTGQEPLK
VFKQAVENVKPRMEVRSRRVGGANYQVPMEVSPRRQQSLALRWLVQAANQRPERRAAVRI
AHELMDAAEGKGGAVKKKEDVERMAEANRAYAHYRW
Sequence of entity 9 (H), FASTA
>1FJG_9 30S RIBOSOMAL PROTEIN S8 (chains H)
MLTDPIADMLTRIRNATRVYKESTDVPASRFKEEILRILAREGFIKGYERVDVDGKPYLR
VYLKYGPRRQGPDPRPEQVIHHIRRISKPGRRVYVGVKEIPRVRRGLGIAILSTSKGVLT
DREARKLGVGGELICEVW
Sequence of entity 10 (I), FASTA
>1FJG_10 30S RIBOSOMAL PROTEIN S9 (chains I)
MEQYYGTGRRKEAVARVFLRPGNGKVTVNGQDFNEYFQGLVRAVAALEPLRAVDALGRFD
AYITVRGGGKSGQIDAIKLGIARALVQYNPDYRAKLKPLGFLTRDARVVERKKYGKHKAR
RAPQYSKR
Sequence of entity 11 (J), FASTA
>1FJG_11 30S RIBOSOMAL PROTEIN S10 (chains J)
MPKIRIKLRGFDHKTLDASAQKIVEAARRSGAQVSGPIPLPTRVRRFTVIRGPFKHKDSR
EHFELRTHNRLVDIINPNRKTIEQLMTLDLPTGVEIEIKTVGGGR
Sequence of entity 12 (K), FASTA
>1FJG_12 30S RIBOSOMAL PROTEIN S11 (chains K)
MAKKPSKKKVKRQVASGRAYIHASYNNTIVTITDPDGNPITWSSGGVIGYKGSRKGTPYA
AQLAALDAAKKAMAYGMQSVDVIVRGTGAGREQAIRALQASGLQVKSIVDDTPVPHNGCR
PKKKFRKAS

Ligands and cofactors

IDNameFormulaCopies
PARParomomycinC23 H45 N5 O141
MGMagnesium ionMg96
SCMSpectinomycinC14 H24 N2 O71
SRYStreptomycinC21 H39 N7 O121
ZNZinc ionZn2

Primary citation

Functional insights from the structure of the 30S ribosomal subunit and its interactions with antibiotics. Carter, A.P., Clemons Jr., W.M., Brodersen, D.E. et al. Nature (2000) 407:340-348. DOI 10.1038/35030019 · PubMed

Other PDB entries of the same protein (UniProt P80371 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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1FJG is part of these collections:

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