THE MOLECULAR COLLECTION / 2025
Fibril structures · CryoSeekVOL. 01
FIBRIL
FORMS

50STRUCTURES
10 SUBCLASSES
CRYOSEEK / FIG. 0200
READING THE FORMS / NOMENCLATURE
Small scale.
Endless form.

A LANGUAGE OF STRUCTUREGF–3BH2
- GF
- Glycofibril
- 3BH
- Trimeric β-helical core
- 2
- Index within the subclass
Blue glycans surround
a purple protein core.
50 STRUCTURES / 10 SUBCLASSES
CRYOSEEK / FIG. 0201
THE COLLECTION / CONTENTS
One world.
Fifty forms.
13 PROTEIN FIBRILS / 37 GLYCOFIBRILSCOUNT / PAGE
01PF-PLLPilus-like fibrils
1303 03GF-1BHSingle-chain β-helix
0218 04GF-3BHTrimeric β-helix
0321 05GF-1L2RDipeptide repeats
0825 06GF-1L4RTetrapeptide repeats
0834 07GF-1L6RHexapeptide repeats
0143 08GF-1L8ROctapeptide repeats
0144 09GF-3L3RTripeptide repeats
0245 10GF-NPGlycan-only fibrils
1148 Subclasses with multiple structures open with an overview.
Use the subclass menu to navigate.
CRYOSEEK / FIG. 0202
SUBCLASS 01 / PILUS-LIKE
13FORMS
PF-PLL12.87 ÅPF-PLL22.85 ÅPF-PLL32.59 ÅPF-PLL42.26 ÅPF-PLL53.37 ÅPF-PLL62.70 ÅPF-PLL73.66 ÅPF-PLL82.73 ÅPF-PLL92.35 ÅPF-PLL102.36 ÅPF-PLL113.44 ÅPF-PLL123.56 ÅPF-PLL133.73 Å Protein fibrils with pilus-like assembly.Overview → Individual structures
CRYOSEEK / FIG. 0203
SUBCLASS 01 / PILUS-LIKE01 OF 13
01
Pilus-like fibrilsPF—PLL1

RESOLUTION2.87Å
Protein fibrils with pilus-like assembly.
Pilus-like protein fibrils
PF-PLL1CRYO-EM DENSITY
CRYOSEEK / FIG. 0204
SUBCLASS 01 / PILUS-LIKE02 OF 13
02
Pilus-like fibrilsPF—PLL2

RESOLUTION2.85Å
Protein fibrils with pilus-like assembly.
Pilus-like protein fibrils
PF-PLL2CRYO-EM DENSITY
CRYOSEEK / FIG. 0205
SUBCLASS 01 / PILUS-LIKE03 OF 13
03
Pilus-like fibrilsPF—PLL3

RESOLUTION2.59Å
Protein fibrils with pilus-like assembly.
Pilus-like protein fibrils
PF-PLL3CRYO-EM DENSITY
CRYOSEEK / FIG. 0206
SUBCLASS 01 / PILUS-LIKE04 OF 13
04
Pilus-like fibrilsPF—PLL4

RESOLUTION2.26Å
Protein fibrils with pilus-like assembly.
Pilus-like protein fibrils
PF-PLL4CRYO-EM DENSITY
CRYOSEEK / FIG. 0207
SUBCLASS 01 / PILUS-LIKE05 OF 13
05
Pilus-like fibrilsPF—PLL5

RESOLUTION3.37Å
Protein fibrils with pilus-like assembly.
Pilus-like protein fibrils
PF-PLL5CRYO-EM DENSITY
CRYOSEEK / FIG. 0208
SUBCLASS 01 / PILUS-LIKE06 OF 13
06
Pilus-like fibrilsPF—PLL6

RESOLUTION2.70Å
Protein fibrils with pilus-like assembly.
Pilus-like protein fibrils
PF-PLL6CRYO-EM DENSITY
CRYOSEEK / FIG. 0209
SUBCLASS 01 / PILUS-LIKE07 OF 13
07
Pilus-like fibrilsPF—PLL7

RESOLUTION3.66Å
Protein fibrils with pilus-like assembly.
Pilus-like protein fibrils
PF-PLL7CRYO-EM DENSITY
CRYOSEEK / FIG. 0210
SUBCLASS 01 / PILUS-LIKE08 OF 13
08
Pilus-like fibrilsPF—PLL8

RESOLUTION2.73Å
Protein fibrils with pilus-like assembly.
Pilus-like protein fibrils
PF-PLL8CRYO-EM DENSITY
CRYOSEEK / FIG. 0211
SUBCLASS 01 / PILUS-LIKE09 OF 13
09
Pilus-like fibrilsPF—PLL9

RESOLUTION2.35Å
Protein fibrils with pilus-like assembly.
Pilus-like protein fibrils
PF-PLL9CRYO-EM DENSITY
CRYOSEEK / FIG. 0212
SUBCLASS 01 / PILUS-LIKE10 OF 13
10
Pilus-like fibrilsPF—PLL10

RESOLUTION2.36Å
Protein fibrils with pilus-like assembly.
Pilus-like protein fibrils
PF-PLL10CRYO-EM DENSITY
CRYOSEEK / FIG. 0213
SUBCLASS 01 / PILUS-LIKE11 OF 13
11
Pilus-like fibrilsPF—PLL11

RESOLUTION3.44Å
Protein fibrils with pilus-like assembly.
Pilus-like protein fibrils
PF-PLL11CRYO-EM DENSITY
CRYOSEEK / FIG. 0214
SUBCLASS 01 / PILUS-LIKE12 OF 13
12
Pilus-like fibrilsPF—PLL12

RESOLUTION3.56Å
Protein fibrils with pilus-like assembly.
Pilus-like protein fibrils
PF-PLL12CRYO-EM DENSITY
CRYOSEEK / FIG. 0215
SUBCLASS 01 / PILUS-LIKE13 OF 13
13
Pilus-like fibrilsPF—PLL13

RESOLUTION3.73Å
Protein fibrils with pilus-like assembly.
Pilus-like protein fibrils
PF-PLL13CRYO-EM DENSITY
CRYOSEEK / FIG. 0216
SUBCLASS 02 / IPT DOMAIN01 OF 01
01

RESOLUTION2.53Å
A protein core composed of consecutive IPT domains.
IPT-domain glycofibrils
GF-IPT1CRYO-EM DENSITY
CRYOSEEK / FIG. 0217
SUBCLASS 03 / SINGLE HELIX
GF-1BH
Single-chain β-helix
02FORMS
GF-1BH12.54 ÅGF-1BH23.11 Å One protein chain forms the β-helical core.Overview → Individual structures
CRYOSEEK / FIG. 0218
SUBCLASS 03 / SINGLE HELIX01 OF 02
01
Single-chain β-helixGF—1BH1

RESOLUTION2.54Å
One protein chain forms the β-helical core.
Single-chain beta helix
GF-1BH1CRYO-EM DENSITY
CRYOSEEK / FIG. 0219
SUBCLASS 03 / SINGLE HELIX02 OF 02
02
Single-chain β-helixGF—1BH2

RESOLUTION3.11Å
One protein chain forms the β-helical core.
Single-chain beta helix
GF-1BH2CRYO-EM DENSITY
CRYOSEEK / FIG. 0220
SUBCLASS 04 / TRIPLE HELIX
03FORMS
GF-3BH12.35 ÅGF-3BH22.63 ÅGF-3BH32.66 Å Three protein chains form a β-helical core.Overview → Individual structures
CRYOSEEK / FIG. 0221
SUBCLASS 04 / TRIPLE HELIX01 OF 03
01

RESOLUTION2.35Å
Three protein chains form a β-helical core.
Three-chain beta helix
GF-3BH1CRYO-EM DENSITY
CRYOSEEK / FIG. 0222
SUBCLASS 04 / TRIPLE HELIX02 OF 03
02

RESOLUTION2.63Å
Three protein chains form a β-helical core.
Three-chain beta helix
GF-3BH2CRYO-EM DENSITY
CRYOSEEK / FIG. 0223
SUBCLASS 04 / TRIPLE HELIX03 OF 03
03

RESOLUTION2.66Å
Three protein chains form a β-helical core.
Three-chain beta helix
GF-3BH3CRYO-EM DENSITY
CRYOSEEK / FIG. 0224
SUBCLASS 05 / TWO RESIDUES
08FORMS
GF-1L2R12.80 ÅGF-1L2R22.58 ÅGF-1L2R32.90 ÅGF-1L2R42.67 ÅGF-1L2R52.53 ÅGF-1L2R62.83 ÅGF-1L2R72.74 ÅGF-1L2R82.88 Å A single linear chain with two-residue repeats.Overview → Individual structures
CRYOSEEK / FIG. 0225
SUBCLASS 05 / TWO RESIDUES01 OF 08
01
Dipeptide repeatsGF—1L2R1

RESOLUTION2.80Å
A single linear chain with two-residue repeats.
Two-residue repeats
GF-1L2R1CRYO-EM DENSITY
CRYOSEEK / FIG. 0226
SUBCLASS 05 / TWO RESIDUES02 OF 08
02
Dipeptide repeatsGF—1L2R2

RESOLUTION2.58Å
A single linear chain with two-residue repeats.
Two-residue repeats
GF-1L2R2CRYO-EM DENSITY
CRYOSEEK / FIG. 0227
SUBCLASS 05 / TWO RESIDUES03 OF 08
03
Dipeptide repeatsGF—1L2R3

RESOLUTION2.90Å
A single linear chain with two-residue repeats.
Two-residue repeats
GF-1L2R3CRYO-EM DENSITY
CRYOSEEK / FIG. 0228
SUBCLASS 05 / TWO RESIDUES04 OF 08
04
Dipeptide repeatsGF—1L2R4

RESOLUTION2.67Å
A single linear chain with two-residue repeats.
Two-residue repeats
GF-1L2R4CRYO-EM DENSITY
CRYOSEEK / FIG. 0229
SUBCLASS 05 / TWO RESIDUES05 OF 08
05
Dipeptide repeatsGF—1L2R5

RESOLUTION2.53Å
A single linear chain with two-residue repeats.
Two-residue repeats
GF-1L2R5CRYO-EM DENSITY
CRYOSEEK / FIG. 0230
SUBCLASS 05 / TWO RESIDUES06 OF 08
06
Dipeptide repeatsGF—1L2R6

RESOLUTION2.83Å
A single linear chain with two-residue repeats.
Two-residue repeats
GF-1L2R6CRYO-EM DENSITY
CRYOSEEK / FIG. 0231
SUBCLASS 05 / TWO RESIDUES07 OF 08
07
Dipeptide repeatsGF—1L2R7

RESOLUTION2.74Å
A single linear chain with two-residue repeats.
Two-residue repeats
GF-1L2R7CRYO-EM DENSITY
CRYOSEEK / FIG. 0232
SUBCLASS 05 / TWO RESIDUES08 OF 08
08
Dipeptide repeatsGF—1L2R8

RESOLUTION2.88Å
A single linear chain with two-residue repeats.
Two-residue repeats
GF-1L2R8CRYO-EM DENSITY
CRYOSEEK / FIG. 0233
SUBCLASS 06 / FOUR RESIDUES
GF-1L4R
Tetrapeptide repeats
08FORMS
GF-1L4R13.06 ÅGF-1L4R22.60 ÅGF-1L4R32.92 ÅGF-1L4R43.42 ÅGF-1L4R53.56 ÅGF-1L4R63.55 ÅGF-1L4R72.81 ÅGF-1L4R82.78 Å A single linear chain with four-residue repeats.Overview → Individual structures
CRYOSEEK / FIG. 0234
SUBCLASS 06 / FOUR RESIDUES01 OF 08
01
Tetrapeptide repeatsGF—1L4R1

RESOLUTION3.06Å
A single linear chain with four-residue repeats.
Four-residue repeats
GF-1L4R1CRYO-EM DENSITY
CRYOSEEK / FIG. 0235
SUBCLASS 06 / FOUR RESIDUES02 OF 08
02
Tetrapeptide repeatsGF—1L4R2

RESOLUTION2.60Å
A single linear chain with four-residue repeats.
Four-residue repeats
GF-1L4R2CRYO-EM DENSITY
CRYOSEEK / FIG. 0236
SUBCLASS 06 / FOUR RESIDUES03 OF 08
03
Tetrapeptide repeatsGF—1L4R3

RESOLUTION2.92Å
A single linear chain with four-residue repeats.
Four-residue repeats
GF-1L4R3CRYO-EM DENSITY
CRYOSEEK / FIG. 0237
SUBCLASS 06 / FOUR RESIDUES04 OF 08
04
Tetrapeptide repeatsGF—1L4R4

RESOLUTION3.42Å
A single linear chain with four-residue repeats.
Four-residue repeats
GF-1L4R4CRYO-EM DENSITY
CRYOSEEK / FIG. 0238
SUBCLASS 06 / FOUR RESIDUES05 OF 08
05
Tetrapeptide repeatsGF—1L4R5

RESOLUTION3.56Å
A single linear chain with four-residue repeats.
Four-residue repeats
GF-1L4R5CRYO-EM DENSITY
CRYOSEEK / FIG. 0239
SUBCLASS 06 / FOUR RESIDUES06 OF 08
06
Tetrapeptide repeatsGF—1L4R6

RESOLUTION3.55Å
A single linear chain with four-residue repeats.
Four-residue repeats
GF-1L4R6CRYO-EM DENSITY
CRYOSEEK / FIG. 0240
SUBCLASS 06 / FOUR RESIDUES07 OF 08
07
Tetrapeptide repeatsGF—1L4R7

RESOLUTION2.81Å
A single linear chain with four-residue repeats.
Four-residue repeats
GF-1L4R7CRYO-EM DENSITY
CRYOSEEK / FIG. 0241
SUBCLASS 06 / FOUR RESIDUES08 OF 08
08
Tetrapeptide repeatsGF—1L4R8

RESOLUTION2.78Å
A single linear chain with four-residue repeats.
Four-residue repeats
GF-1L4R8CRYO-EM DENSITY
CRYOSEEK / FIG. 0242
SUBCLASS 07 / SIX RESIDUES01 OF 01
01
Hexapeptide repeatsGF—1L6R1

RESOLUTION3.56Å
A single linear chain with six-residue repeats.
Six-residue repeats
GF-1L6R1CRYO-EM DENSITY
CRYOSEEK / FIG. 0243
SUBCLASS 08 / EIGHT RESIDUES01 OF 01
01
Octapeptide repeatsGF—1L8R1

RESOLUTION3.04Å
A single linear chain with eight-residue repeats.
Eight-residue repeats
GF-1L8R1CRYO-EM DENSITY
CRYOSEEK / FIG. 0244
SUBCLASS 09 / THREE BY THREE
GF-3L3R
Tripeptide repeats
02FORMS
GF-3L3R12.95 ÅGF-3L3R23.14 Å Three linear chains with three-residue repeats.Overview → Individual structures
CRYOSEEK / FIG. 0245
SUBCLASS 09 / THREE BY THREE01 OF 02
01
Tripeptide repeatsGF—3L3R1

RESOLUTION2.95Å
Three linear chains with three-residue repeats.
Three chains · three-residue repeats
GF-3L3R1CRYO-EM DENSITY
CRYOSEEK / FIG. 0246
SUBCLASS 09 / THREE BY THREE02 OF 02
02
Tripeptide repeatsGF—3L3R2

RESOLUTION3.14Å
Three linear chains with three-residue repeats.
Three chains · three-residue repeats
GF-3L3R2CRYO-EM DENSITY
CRYOSEEK / FIG. 0247
SUBCLASS 10 / GLYCAN ONLY
11FORMS
GF-NP13.84 ÅGF-NP22.83 ÅGF-NP32.97 ÅGF-NP42.98 ÅGF-NP52.22 ÅGF-NP63.33 ÅGF-NP73.23 ÅGF-NP82.33 ÅGF-NP92.40 ÅGF-NP103.00 ÅGF-NP112.66 Å Fibrils composed entirely of glycans.Overview → Individual structures
CRYOSEEK / FIG. 0248
SUBCLASS 10 / GLYCAN ONLY01 OF 11
01
Glycan-only fibrilsGF—NP1

RESOLUTION3.84Å
Fibrils composed entirely of glycans.
Glycan-only fibrils
GF-NP1CRYO-EM DENSITY
CRYOSEEK / FIG. 0249
SUBCLASS 10 / GLYCAN ONLY02 OF 11
02
Glycan-only fibrilsGF—NP2

RESOLUTION2.83Å
Fibrils composed entirely of glycans.
Glycan-only fibrils
GF-NP2CRYO-EM DENSITY
CRYOSEEK / FIG. 0250
SUBCLASS 10 / GLYCAN ONLY03 OF 11
03
Glycan-only fibrilsGF—NP3

RESOLUTION2.97Å
Fibrils composed entirely of glycans.
Glycan-only fibrils
GF-NP3CRYO-EM DENSITY
CRYOSEEK / FIG. 0251
SUBCLASS 10 / GLYCAN ONLY04 OF 11
04
Glycan-only fibrilsGF—NP4

RESOLUTION2.98Å
Fibrils composed entirely of glycans.
Glycan-only fibrils
GF-NP4CRYO-EM DENSITY
CRYOSEEK / FIG. 0252
SUBCLASS 10 / GLYCAN ONLY05 OF 11
05
Glycan-only fibrilsGF—NP5

RESOLUTION2.22Å
Fibrils composed entirely of glycans.
Glycan-only fibrils
GF-NP5CRYO-EM DENSITY
CRYOSEEK / FIG. 0253
SUBCLASS 10 / GLYCAN ONLY06 OF 11
06
Glycan-only fibrilsGF—NP6

RESOLUTION3.33Å
Fibrils composed entirely of glycans.
Glycan-only fibrils
GF-NP6CRYO-EM DENSITY
CRYOSEEK / FIG. 0254
SUBCLASS 10 / GLYCAN ONLY07 OF 11
07
Glycan-only fibrilsGF—NP7

RESOLUTION3.23Å
Fibrils composed entirely of glycans.
Glycan-only fibrils
GF-NP7CRYO-EM DENSITY
CRYOSEEK / FIG. 0255
SUBCLASS 10 / GLYCAN ONLY08 OF 11
08
Glycan-only fibrilsGF—NP8

RESOLUTION2.33Å
Fibrils composed entirely of glycans.
Glycan-only fibrils
GF-NP8CRYO-EM DENSITY
CRYOSEEK / FIG. 0256
SUBCLASS 10 / GLYCAN ONLY09 OF 11
09
Glycan-only fibrilsGF—NP9

RESOLUTION2.40Å
Fibrils composed entirely of glycans.
Glycan-only fibrils
GF-NP9CRYO-EM DENSITY
CRYOSEEK / FIG. 0257
SUBCLASS 10 / GLYCAN ONLY10 OF 11
10
Glycan-only fibrilsGF—NP10

RESOLUTION3.00Å
Fibrils composed entirely of glycans.
Glycan-only fibrils
GF-NP10CRYO-EM DENSITY
CRYOSEEK / FIG. 0258
SUBCLASS 10 / GLYCAN ONLY11 OF 11
11
Glycan-only fibrilsGF—NP11

RESOLUTION2.66Å
Fibrils composed entirely of glycans.
Glycan-only fibrils
GF-NP11CRYO-EM DENSITY
CRYOSEEK / FIG. 0259
SOURCE PUBLICATION
CryoSeek.
High-throughput cryo-EM characterization and automated model building of glycofibrils via CryoSeek
Hu et al. · 2025
LangTaoSha Preprint Server
20 November 2025
doi: 10.65215/bkvrt910
CRYOSEEK / FIG. 0260
CRYOSEEK / STRUCTURAL ATLAS
50 STRUCTURES / 10 SUBCLASSESCRYOSEEK / FIG. 0261