6dpu

Undecorated GMPCPP microtubule

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Tubulin alpha-1B chain

OrganismNot specified

UniProt Q2XVP4

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 12 Tubulin beta chain × 6 (P02554) GUANOSINE-5'-TRIPHOSPHATE × 6 MAGNESIUM ION × 12 PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 6 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name TBA1B_PIG
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–451; UniProt 1–451 Author chain C; PDBConstruct 1–451; UniProt 1–451 Author chain E; PDBConstruct 1–451; UniProt 1–451 Author chain J; PDBConstruct 1–451; UniProt 1–451 Author chain K; PDBConstruct 1–451; UniProt 1–451 Author chain L; PDBConstruct 1–451; UniProt 1–451

Tubulin beta chain

OrganismNot specified

UniProt P02554

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 12 Tubulin alpha-1B chain × 6 (Q2XVP4) GUANOSINE-5'-TRIPHOSPHATE × 6 MAGNESIUM ION × 12 PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 6 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name TBB_PIG
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–445; UniProt 1–445 Author chain D; PDBConstruct 1–445; UniProt 1–445 Author chain F; PDBConstruct 1–445; UniProt 1–445 Author chain G; PDBConstruct 1–445; UniProt 1–445 Author chain H; PDBConstruct 1–445; UniProt 1–445 Author chain I; PDBConstruct 1–445; UniProt 1–445

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id6dpu
Deposition date deposition_date2018-06-09
Structure title titleUndecorated GMPCPP microtubule
Keywords keywordsmicrotubule, cytoskeleton, GMPCPP, seam, CELL CYCLE; CELL CYCLE
Experimental Method methodELECTRON MICROSCOPY
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

6dpu__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

6dpu__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

6dpu__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)66.96 Å
Rg (electron density)66.96 Å
Total Rg66.92 Å
Atom count40650
Residues5142
Excluded volume717480 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6dpu__assembly_1__model_1 dodecameric (12) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (5)

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6. Fold Classification (SCOP + CATH) 60 domains

SCOP 2.08 (24 domains)

Domain ID domain_idd6dpua1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamilyc.32.1 — Tubulin nucleotide-binding domain-like
Family Family familyc.32.1.1 — Tubulin, GTPase domain
Domain ID domain_idd6dpua2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamilyd.79.2 — Tubulin C-terminal domain-like
Family Family familyd.79.2.1 — Tubulin, C-terminal domain
Domain ID domain_idd6dpub1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamilyc.32.1 — Tubulin nucleotide-binding domain-like
Family Family familyc.32.1.1 — Tubulin, GTPase domain
Domain ID domain_idd6dpub2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamilyd.79.2 — Tubulin C-terminal domain-like
Family Family familyd.79.2.1 — Tubulin, C-terminal domain
Domain ID domain_idd6dpuc1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamilyc.32.1 — Tubulin nucleotide-binding domain-like
Family Family familyc.32.1.1 — Tubulin, GTPase domain
Domain ID domain_idd6dpuc2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamilyd.79.2 — Tubulin C-terminal domain-like
Family Family familyd.79.2.1 — Tubulin, C-terminal domain
Domain ID domain_idd6dpud1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamilyc.32.1 — Tubulin nucleotide-binding domain-like
Family Family familyc.32.1.1 — Tubulin, GTPase domain
Domain ID domain_idd6dpud2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamilyd.79.2 — Tubulin C-terminal domain-like
Family Family familyd.79.2.1 — Tubulin, C-terminal domain
Domain ID domain_idd6dpue1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamilyc.32.1 — Tubulin nucleotide-binding domain-like
Family Family familyc.32.1.1 — Tubulin, GTPase domain
Domain ID domain_idd6dpue2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamilyd.79.2 — Tubulin C-terminal domain-like
Family Family familyd.79.2.1 — Tubulin, C-terminal domain
Domain ID domain_idd6dpuf1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamilyc.32.1 — Tubulin nucleotide-binding domain-like
Family Family familyc.32.1.1 — Tubulin, GTPase domain
Domain ID domain_idd6dpuf2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamilyd.79.2 — Tubulin C-terminal domain-like
Family Family familyd.79.2.1 — Tubulin, C-terminal domain
Domain ID domain_idd6dpug1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamilyc.32.1 — Tubulin nucleotide-binding domain-like
Family Family familyc.32.1.1 — Tubulin, GTPase domain
Domain ID domain_idd6dpug2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamilyd.79.2 — Tubulin C-terminal domain-like
Family Family familyd.79.2.1 — Tubulin, C-terminal domain
Domain ID domain_idd6dpuh1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamilyc.32.1 — Tubulin nucleotide-binding domain-like
Family Family familyc.32.1.1 — Tubulin, GTPase domain
Domain ID domain_idd6dpuh2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamilyd.79.2 — Tubulin C-terminal domain-like
Family Family familyd.79.2.1 — Tubulin, C-terminal domain
Domain ID domain_idd6dpui1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamilyc.32.1 — Tubulin nucleotide-binding domain-like
Family Family familyc.32.1.1 — Tubulin, GTPase domain
Domain ID domain_idd6dpui2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamilyd.79.2 — Tubulin C-terminal domain-like
Family Family familyd.79.2.1 — Tubulin, C-terminal domain
Domain ID domain_idd6dpuj1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamilyc.32.1 — Tubulin nucleotide-binding domain-like
Family Family familyc.32.1.1 — Tubulin, GTPase domain
Domain ID domain_idd6dpuj2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamilyd.79.2 — Tubulin C-terminal domain-like
Family Family familyd.79.2.1 — Tubulin, C-terminal domain
Domain ID domain_idd6dpuk1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamilyc.32.1 — Tubulin nucleotide-binding domain-like
Family Family familyc.32.1.1 — Tubulin, GTPase domain
Domain ID domain_idd6dpuk2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamilyd.79.2 — Tubulin C-terminal domain-like
Family Family familyd.79.2.1 — Tubulin, C-terminal domain
Domain ID domain_idd6dpul1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamilyc.32.1 — Tubulin nucleotide-binding domain-like
Family Family familyc.32.1.1 — Tubulin, GTPase domain
Domain ID domain_idd6dpul2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamilyd.79.2 — Tubulin C-terminal domain-like
Family Family familyd.79.2.1 — Tubulin, C-terminal domain

CATH v4.4 (36 domains)

Domain ID domain_id6dpuA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id6dpuA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id6dpuA03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id6dpuB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id6dpuB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id6dpuB03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id6dpuC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id6dpuC02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id6dpuC03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id6dpuD01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id6dpuD02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id6dpuD03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id6dpuE01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id6dpuE02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id6dpuE03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id6dpuF01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id6dpuF02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id6dpuF03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id6dpuG01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id6dpuG02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id6dpuG03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id6dpuH01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id6dpuH02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id6dpuH03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id6dpuI01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id6dpuI02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id6dpuI03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id6dpuJ01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id6dpuJ02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id6dpuJ03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id6dpuK01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id6dpuK02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id6dpuK03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id6dpuL01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id6dpuL02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id6dpuL03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
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7. Citations (1)