8CEP: Kasugamycin

Name: PDB 8CEP: Kasugamycin bound to the 30S body
Published: 2023-07-19
License: https://creativecommons.org/publicdomain/zero/1.0/
Keywords: ribosome

Kasugamycin bound to the 30S body. Determined by electron microscopy at 2.04 Å resolution. Released 19 Jul 2023.

Method: Electron microscopy
Resolution: 2.04 Å
Organisms: Escherichia coli BW25113, Streptomyces californicus
Chains: 19
Atoms: 35,490
Mol. weight: 1601.76 kDa
Ligands: KSG, MG
Released: 19 Jul 2023

Explore 8CEP in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8CEP contains 65 α-helices and 56 β-strands across 12 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 D: 17 helices, 7 β-strands

Element	Residues	Length	Sheet
α-helix	9-15	7
α-helix	28-31	4
α-helix	37	1
α-helix	46-49	4
α-helix	50-65	16
α-helix	69-81	13
α-helix	86-96	11
β-strand	97	1	1
α-helix	98-105	8
α-helix	111-119	9
β-strand	123-125	3	2
β-strand	128-129	2	2
α-helix	135	1
β-strand	136	1	1
α-helix	137-138	2
β-strand	142-145	4	2
α-helix	147-149	3
α-helix	153-164	12
α-helix	166-168	3
β-strand	172-174	3	2
β-strand	179-181	3	2
α-helix	185-187	3
α-helix	188-190	3
α-helix	198-203	6

Chain E: 6 helices, 10 β-strands

Element	Residues	Length	Sheet
β-strand	12-24	13	3
β-strand	29-40	12	3
β-strand	46-53	8	3
α-helix	56-69	14
β-strand	72	1	3
β-strand	77	1	4
β-strand	80	1	4
β-strand	85-89	5	5
β-strand	92-98	7	5
β-strand	105-106	2	5
α-helix	110-118	9
β-strand	123-129	7	5
α-helix	133-145	13
α-helix	147-149	3
α-helix	150-157	8
α-helix	161-164	4

Chain F: 4 helices, 4 β-strands

Element	Residues	Length	Sheet
β-strand	3-10	8	6
α-helix	12-17	6
α-helix	18-30	13
β-strand	35-51	17	6
β-strand	54-65	12	6
α-helix	68-80	13
β-strand	84-92	9	6
α-helix	99-100	2

Chain H: 6 helices, 12 β-strands

Element	Residues	Length	Sheet
α-helix	6-19	14
β-strand	24-28	5	7
α-helix	31-42	12
β-strand	46-52	7	7
β-strand	58-63	6	7
β-strand	65	1	8
β-strand	70	1	8
β-strand	75-77	3	9
β-strand	80	1	10
β-strand	83	1	10
β-strand	86-87	2	9
α-helix	89-91	3
α-helix	92-94	3
α-helix	96-98	3
β-strand	101-106	6	9
β-strand	109-112	4	9
α-helix	113-119	7
β-strand	123-129	7	9

Chain K: 4 helices, 5 β-strands

Element	Residues	Length	Sheet
β-strand	18-25	8	11
β-strand	30-36	7	11
β-strand	41-46	6	11
α-helix	60-73	14
α-helix	75-77	3
β-strand	81-87	7	11
α-helix	93-102	10
β-strand	106-112	7	11
α-helix	121-127	7

Chain L: 6 helices, 5 β-strands

Element	Residues	Length	Sheet
α-helix	4-9	6
α-helix	22-24	3
β-strand	29-40	12	12
α-helix	41-43	3
β-strand	50-57	8	12
β-strand	62-66	5	12
β-strand	79-84	6	12
β-strand	93-97	5	12
α-helix	104-107	4
α-helix	114-116	3
α-helix	120-123	4

Chain O: 4 helices, 0 β-strands

Element	Residues	Length
α-helix	5-15	11
α-helix	25-45	21
α-helix	50-73	24
α-helix	75-85	11

Chain P: 2 helices, 5 β-strands

Element	Residues	Length	Sheet
β-strand	2-11	10	13
β-strand	14-23	10	13
β-strand	34-39	6	13
β-strand	50-52	3	13
α-helix	54-62	9
β-strand	66-67	2	13
α-helix	69-79	11

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

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
16S rRNA	A	RNA	1540	Escherichia coli BW25113
Small ribosomal subunit protein uS4	D	protein	206	Escherichia coli BW25113	P0A7V8 (AlphaFold model)
Small ribosomal subunit protein uS5	E	protein	167	Escherichia coli BW25113	P0A7W1 (AlphaFold model)
Small ribosomal subunit protein bS6, non-modified isoform	F	protein	131	Escherichia coli BW25113	P02358 (AlphaFold model)
Small ribosomal subunit protein uS8	H	protein	130	Escherichia coli BW25113	P0A7W7 (AlphaFold model)
Small ribosomal subunit protein uS11	K	protein	129	Escherichia coli BW25113	P0A7R9
Small ribosomal subunit protein uS12	L	protein	124	Escherichia coli BW25113	P0A7S3
Small ribosomal subunit protein uS15	O	protein	89	Escherichia coli BW25113	P0ADZ4
30S ribosomal protein S16	P	protein	82	Escherichia coli BW25113	P0A7T3
Small ribosomal subunit protein uS17	Q	protein	84	Escherichia coli BW25113	P0AG63
Small ribosomal subunit protein bS18	R	protein	75	Escherichia coli BW25113	P0A7T7
30S ribosomal protein S20	T	protein	87	Escherichia coli BW25113	P0A7U7

3 more molecules are not listed.

Sequence of entity 1 (A), FASTA

>8CEP_1 16S rRNA (chains A)
AAAUUGAAGAGUUUGAUCAUGGCUCAGAUUGAACGCUGGCGGCAGGCCUAACACAUGCAA
GUCGAACGGUAACAGGAAGAAGCUUGCUUCUUUGCUGACGAGUGGCGGACGGGUGAGUAA
UGUCUGGGAAACUGCCUGAUGGAGGGGGAUAACUACUGGAAACGGUAGCUAAUACCGCAU
AACGUCGCAAGACCAAAGAGGGGGACCUUCGGGCCUCUUGCCAUCGGAUGUGCCCAGAUG
GGAUUAGCUAGUAGGUGGGGUAACGGCUCACCUAGGCGACGAUCCCUAGCUGGUCUGAGA
GGAUGACCAGCCACACUGGAACUGAGACACGGUCCAGACUCCUACGGGAGGCAGCAGUGG
GGAAUAUUGCACAAUGGGCGCAAGCCUGAUGCAGCCAUGCCGCGUGUAUGAAGAAGCCCU
UCGGGUUGUAAAGUACUUUCAGCGGGGAGGAAGGGAGUAAAGUUAAUACCUUUGCUCAUU
GACGUUACCCGCAGAAGAAGCACCGGCUAACUCCGUGCCAGCAGCCGCGGUAAUACGGAG
GGUGCAAGCGUUAAUCGGAAUUACUGGGCGUAAAGCGCACGCAGGCGGUUUGUUAAGUCA
GAUGUGAAAUCCCCGGGCUCAACCUGGGAACUGCAUCUGAUACUGGCAAGCUUGAGUCUC
GUAGAGGGGGGUAGAAUUCCAGGUGUAGCGGUGAAAUGCGUAGAGAUCUGGAGGAAUACC
GGUGGCGAAGGCGGCCCCCUGGACGAAGACUGACGCUCAGGUGCGAAAGCGUGGGGAGCA
AACAGGAUUAGAUACCCUGGUAGUCCACGCCGUAAACGAUGUCGACUUGGAGGUUGUGCC
CUUGAGGCGUGGCUUCCGGAGCUAACGCGUUAAGUCGACCGCCUGGGGAGUACGGCCGCA
AGGUUAAAACUCAAAUGAAUUGACGGGGGCCCGCACAAGCGGUGGAGCAUGUGGUUUAAU
UCGAUGCAACGCGAAGAACCUUACCUGGUCUUGACAUCCACGGAAGUUUUCAGAGAUGAG
AAUGUGCCUUCGGGAACCGUGAGACAGGUGCUGCAUGGCUGUCGUCAGCUCGUGUUGUGA
AAUGUUGGGUUAAGUCCCGCAACGAGCGCAACCCUUAUCCUUUGUUGCCAGCGGUCCGGC
CGGGAACUCAAAGGAGACUGCCAGUGAUAAACUGGAGGAAGGUGGGGAUGACGUCAAGUC
AUCAUGGCCCUUACGACCAGGGCUACACACGUGCUACAAUGGCGCAUACAAAGAGAAGCG
ACCUCGCGAGAGCAAGCGGACCUCAUAAAGUGCGUCGUAGUCCGGAUUGGAGUCUGCAAC
UCGACUCCAUGAAGUCGGAAUCGCUAGUAAUCGUGGAUCAGAAUGCCACGGUGAAUACGU
UCCCGGGCCUUGUACACACCGCCCGUCACACCAUGGGAGUGGGUUGCAAAAGAAGUAGGU
AGCUUAACCUUCGGGAGGGCGCUUACCACUUUGUGAUUCAUGACUGGGGUGAAGUCGUAA
CAAGGUAACCGUAGGGGAACCUGCGGUUGGAUCACCUCCU

Sequence of entity 2 (D), FASTA

>8CEP_2 Small ribosomal subunit protein uS4 (chains D)
MARYLGPKLKLSRREGTDLFLKSGVRAIDTKCKIEQAPGQHGARKPRLSDYGVQLREKQK
VRRIYGVLERQFRNYYKEAARLKGNTGENLLALLEGRLDNVVYRMGFGATRAEARQLVSH
KAIMVNGRVVNIASYQVSPNDVVSIREKAKKQSRVKAALELAEQREKPTWLEVDAGKMEG
TFKRKPERSDLSADINEHLIVELYSK

Sequence of entity 3 (E), FASTA

>8CEP_3 Small ribosomal subunit protein uS5 (chains E)
MAHIEKQAGELQEKLIAVNRVSKTVKGGRIFSFTALTVVGDGNGRVGFGYGKAREVPAAI
QKAMEKARRNMINVALNNGTLQHPVKGVHTGSRVFMQPASEGTGIIAGGAMRAVLEVAGV
HNVLAKAYGSTNPINVVRATIDGLENMNSPEMVAAKRGKSVEEILGK

Sequence of entity 4 (F), FASTA

>8CEP_4 Small ribosomal subunit protein bS6, non-modified isoform (chains F)
MRHYEIVFMVHPDQSEQVPGMIERYTAAITGAEGKIHRLEDWGRRQLAYPINKLHKAHYV
LMNVEAPQEVIDELETTFRFNDAVIRSMVMRTKHAVTEASPMVKAKDERRERRDDFANET
ADDAEAGDSEE

Sequence of entity 5 (H), FASTA

>8CEP_5 Small ribosomal subunit protein uS8 (chains H)
MSMQDPIADMLTRIRNGQAANKAAVTMPSSKLKVAIANVLKEEGFIEDFKVEGDTKPELE
LTLKYFQGKAVVESIQRVSRPGLRIYKRKDELPKVMAGLGIAVVSTSKGVMTDRAARQAG
LGGEIICYVA

Sequence of entity 6 (K), FASTA

>8CEP_6 Small ribosomal subunit protein uS11 (chains K)
MAKAPIRARKRVRKQVSDGVAHIHASFNNTIVTITDRQGNALGWATAGGSGFRGSRKSTP
FAAQVAAERCADAVKEYGIKNLEVMVKGPGPGRESTIRALNAAGFRITNITDVTPIPHDG
CRPPKKRRV

Sequence of entity 7 (L), FASTA

>8CEP_7 Small ribosomal subunit protein uS12 (chains L)
MATVNQLVRKPRARKVAKSNVPALEACPQKRGVCTRVYTTTPKKPNSALRKVCRVRLTNG
FEVTSYIGGEGHNLQEHSVILIRGGRVKXLPGVRYHTVRGALDCSGVKDRKQARSKYGVK
RPKA

Sequence of entity 8 (O), FASTA

>8CEP_8 Small ribosomal subunit protein uS15 (chains O)
MSLSTEATAKIVSEFGRDANDTGSTEVQVALLTAQINHLQGHFAEHKKDHHSRRGLLRMV
SQRRKLLDYLKRKDVARYTQLIERLGLRR

Sequence of entity 9 (P), FASTA

>8CEP_9 30S ribosomal protein S16 (chains P)
MVTIRLARHGAKKRPFYQVVVADSRNARNGRFIERVGFFNPIASEKEEGTRLDLDRIAHW
VGQGATISDRVAALIKEVNKAA

Sequence of entity 10 (Q), FASTA

>8CEP_10 Small ribosomal subunit protein uS17 (chains Q)
MTDKIRTLQGRVVSDKMEKSIVVAIERFVKHPIYGKFIKRTTKLHVHDENNECGIGDVVE
IRECRPLSKTKSWTLVRVVEKAVL

Sequence of entity 11 (R), FASTA

>8CEP_11 Small ribosomal subunit protein bS18 (chains R)
MARYFRRRKFCRFTAEGVQEIDYKDIATLKNYITESGKIVPSRITGTRAKYQRQLARAIK
RARYLSLLPYTDRHQ

Sequence of entity 12 (T), FASTA

>8CEP_12 30S ribosomal protein S20 (chains T)
MANIKSAKKRAIQSEKARKHNASRRSMMRTFIKKVYAAIEAGDKAAAQKAFNEMQPIVDR
QAAKGLIHKNKAARHKANLTAQINKLA

Ligands and cofactors

ID	Name	Formula	Copies
KSG	(1S,2R,3S,4R,5S,6S)-2,3,4,5,6-pentahydroxycyclohexyl…	C14 H25 N3 O9	1
MG	Magnesium ion	Mg	54

Water and common crystallization additives (K) are not listed.

Primary citation

Structural conservation of antibiotic interaction with ribosomes. Paternoga, H., Crowe-McAuliffe, C., Bock, L.V. et al. Nat Struct Mol Biol (2023) 30:1380-1392. DOI 10.1038/s41594-023-01047-y · PubMed

Other PDB entries of the same protein (UniProt P0A7V8 (AlphaFold model), which also has an AlphaFold model), best resolution first:

8B0X 1.55 Å, Translating 70S ribosome in the unrotated state (P and E, tRNAs)
9Q87 1.55 Å, Principles of ion binding to RNA inferred from the analysis of a 1.55 Angstrom…
8CGJ 1.79 Å, Streptomycin bound to the 30S body
8FTO 1.85 Å, E. coli 70S ribosome with an improved MS2 tag inserted in H98
9GHE 1.87 Å, Staphylococcus aureus FusB bound to the small subunit of the Escherichia coli 70S…
9T0Y 1.87 Å, E. coli 70S ribosome from delta-9 strain
9T6M 1.87 Å, E. coli 70S ribosome from delta-10 strain
8CGU 1.89 Å, Gentamicin bound to the 30S body
9SYH 1.89 Å, E. coli 70S ribosome from deltaRlmE strain
8AYE 1.96 Å, E. coli 70S ribosome bound to thermorubin and fMet-tRNA
7K00 1.98 Å, Structure of the Bacterial Ribosome at 2 Angstrom Resolution
9Q3R 1.99 Å, Cryo-EM structure of the Escherichia coli 70S ribosome bound to mRNA, P-site…

Browse structure collections

About this viewer

MolViewer shows 8CEP directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.