8utt

KIF1A[1-393] P305L mutant AMP-PNP bound two-heads-bound state in complex with a microtubule

Method: ELECTRON MICROSCOPY

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Kinesin-like protein KIF1A

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 7	Tubulin alpha-1B chain × 3 （Q2XVP4） Tubulin beta-2B chain × 2 （A0A287AGU7） MAGNESIUM ION × 4 PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 GUANOSINE-5'-TRIPHOSPHATE × 3 GUANOSINE-5'-DIPHOSPHATE × 2 TAXOL × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	KIF1A_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain K； PDBConstruct 1–393； UniProt 1–393 Author chain N； PDBConstruct 1–393； UniProt 1–393

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 7	Kinesin-like protein KIF1A × 2 （Q12756） Tubulin beta-2B chain × 2 （A0A287AGU7） MAGNESIUM ION × 4 PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 GUANOSINE-5'-TRIPHOSPHATE × 3 GUANOSINE-5'-DIPHOSPHATE × 2 TAXOL × 2	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	2
Chains and sequence ranges	Author chain A； PDBConstruct 1–451； UniProt 1–451 Author chain E； PDBConstruct 1–451； UniProt 1–451 Author chain S； PDBConstruct 1–451； UniProt 1–451

Tubulin beta-2B chain

OrganismNot specified

UniProt A0A287AGU7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 7	Kinesin-like protein KIF1A × 2 （Q12756） Tubulin alpha-1B chain × 3 （Q2XVP4） MAGNESIUM ION × 4 PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 GUANOSINE-5'-TRIPHOSPHATE × 3 GUANOSINE-5'-DIPHOSPHATE × 2 TAXOL × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A287AGU7_PIG
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain B； 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_id	8utt
Deposition date deposition_date	2023-10-31
Structure title title	KIF1A[1-393] P305L mutant AMP-PNP bound two-heads-bound state in complex with a microtubule
Keywords keywords	KIF1A, kinesin, motility, microtubule, tubulin, MOTOR PROTEIN; MOTOR PROTEIN
Experimental Method method	ELECTRON 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.

8utt__assembly_1__model_1

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

Download this curve (.dat)

8utt__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8utt__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	61.38 Å
Rg (electron density)	62.56 Å
Total Rg	62.34 Å
Atom count	23677
Residues	2974
Excluded volume	417610 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8utt__assembly_1__model_1`	heptameric （7）	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 (8)

Entity 1 Entity 1 polymer

Description description	Kinesin-like protein KIF1A
Molecular weight formula_weight	49304.5 kDa
Mutation mutation	P305L
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K,N
Atom count atom_count	23744

MAGASVKVAVRVRPFNSREMSRDSKCIIQMSGSTTTIVNPKQPKETPKSFSFDYSYWSHTSPEDINYASQKQVYRDIGEEMLQHAFEGYNVCIFAYGQTGAGKSYTMMGKQEKDQQGIIPQLCEDLFSRINDTTNDNMSYSVEVSYMEIYCERVRDLLNPKNKGNLRVREHPLLGPYVEDLSKLAVTSYNDIQDLMDSGNKARTVAATNMNETSSRSHAVFNIIFTQKRHDAETNITTEKVSKISLVDLAGSERADSTGAKGTRLKEGANINKSLTTLGKVISALAEMDSGPNKNKKKKKTDFILYRDSVLTWLLRENLGGNSRTAMVAALSPADINYDETLSTLRYADRAKQIRCNAVINEDPNNKLIRELKDEVTRLRDLLYAQGLGDITDGAGVKQLEDKVEELASKNYHLENEVARLKKLVEFTSAWSHPQFEK

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Tubulin alpha-1B chain
Molecular weight formula_weight	50204.4 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,E,S

MRECISIHVGQAGVQIGNACWELYCLEHGIQPDGQMPSDKTIGGGDDSFNTFFSETGAGKHVPRAVFVDLEPTVIDEVRTGTYRQLFHPEQLITGKEDAANNYARGHYTIGKEIIDLVLDRIRKLADQCTGLQGFLVFHSFGGGTGSGFTSLLMERLSVDYGKKSKLEFSIYPAPQVSTAVVEPYNSILTTHTTLEHSDCAFMVDNEAIYDICRRNLDIERPTYTNLNRLISQIVSSITASLRFDGALNVDLTEFQTNLVPYPRIHFPLATYAPVISAEKAYHEQLSVAEITNACFEPANQMVKCDPRHGKYMACCLLYRGDVVPKDVNAAIATIKTKRSIQFVDWCPTGFKVGINYQPPTVVPGGDLAKVQRAVCMLSNTTAIAEAWARLDHKFDLMYAKRAFVHWYVGEGMEEGEFSEAREDMAALEKDYEEVGVDSVEGEGEEEGEEY

Entity 3 Entity 3 polymer

Description description	Tubulin beta-2B chain
Molecular weight formula_weight	49999.9 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,I

MREIVHIQAGQCGNQIGAKFWEVISDEHGIDPTGSYHGDSDLQLERINVYYNEATGNKYVPRAILVDLEPGTMDSVRSGPFGQIFRPDNFVFGQSGAGNNWAKGHYTEGAELVDSVLDVVRKESESCDCLQGFQLTHSLGGGTGSGMGTLLISKIREEYPDRIMNTFSVMPSPKVSDTVVEPYNATLSVHQLVENTDETYCIDNEALYDICFRTLKLTTPTYGDLNHLVSATMSGVTTCLRFPGQLNADLRKLAVNMVPFPRLHFFMPGFAPLTSRGSQQYRALTVPELTQQMFDSKNMMAACDPRHGRYLTVAAIFRGRMSMKEVDEQMLNVQNKNSSYFVEWIPNNVKTAVCDIPPRGLKMSATFIGNSTAIQELFKRISEQFTAMFRRKAFLHWYTGEGMDEMEFTEAESNMNDLVSEYQQYQDATADEQGEFEEEEGEDEA

Entity 4 Entity 4 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 5 Entity 5 non-polymer

Description description	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
Molecular weight formula_weight	506.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 6 Entity 6 non-polymer

Description description	GUANOSINE-5'-TRIPHOSPHATE
Molecular weight formula_weight	523.2 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 7 Entity 7 non-polymer

Description description	GUANOSINE-5'-DIPHOSPHATE
Molecular weight formula_weight	443.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 8 Entity 8 non-polymer

Description description	TAXOL
Molecular weight formula_weight	853.9 kDa
Source method src_method	syn
Copy count entity_count	2

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Resolution resolution	3.10 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	110600

KIF1A[1-393] P305L mutant AMP-PNP bound two-heads-bound state in complex with a microtubule

1. Protein Identity and Related Structures Protein Identity & Related Structures

Kinesin-like protein KIF1A

State in the Current Structure

Other States of the Same Protein in the Database

Tubulin alpha-1B chain

State in the Current Structure

Other States of the Same Protein in the Database

Tubulin beta-2B chain

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

8utt__assembly_1__model_1

8utt__assembly_1__model_1 | I(q)

8utt__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

7. Citations (1)

KIF1A[1-393] P305L mutant AMP-PNP bound two-heads-bound state in complex with a microtubule

1. Protein Identity and Related Structures Protein Identity & Related Structures

Kinesin-like protein KIF1A

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Tubulin alpha-1B chain

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Tubulin beta-2B chain

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

8utt__assembly_1__model_1

8utt__assembly_1__model_1 | I(q)

8utt__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

7. Citations (1)