7tr1

CaKip3[2-436]-L2-mutant(HsKHC) - AMP-PNP 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,Kinesin-1 heavy chain

Candida albicans

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	C4YNU9_CANAW
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain K； PDBConstruct 3–116； UniProt 2–115 Author chain K； PDBConstruct 121–412； UniProt 145–436

Kinesin-like protein,Kinesin-1 heavy chain

Candida albicans

UniProt P33176

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	KINH_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain K； PDBConstruct 117–120； UniProt 41–44

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	Insufficient information	Heteromer	Protein 3	Kinesin-like protein,Kinesin-1 heavy chain × 1 （C4YNU9,P33176） Tubulin beta-2B chain × 1 （A0A287AGU7） MAGNESIUM ION × 2 PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 GUANOSINE-5'-TRIPHOSPHATE × 1 GUANOSINE-5'-DIPHOSPHATE × 1 TAXOL × 1	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

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	Insufficient information	Heteromer	Protein 3	Kinesin-like protein,Kinesin-1 heavy chain × 1 （C4YNU9,P33176） Tubulin alpha-1B chain × 1 （Q2XVP4） MAGNESIUM ION × 2 PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 GUANOSINE-5'-TRIPHOSPHATE × 1 GUANOSINE-5'-DIPHOSPHATE × 1 TAXOL × 1	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

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	7tr1
Deposition date deposition_date	2022-01-27
Structure title title	CaKip3[2-436]-L2-mutant(HsKHC) - AMP-PNP in complex with a microtubule
Keywords keywords	Kip3, 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.

7tr1__assembly_1__model_1

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

Download this curve (.dat)

7tr1__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7tr1__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	34.22 Å
Rg (electron density)	33.61 Å
Total Rg	34.12 Å
Atom count	9699
Residues	1216
Excluded volume	171250 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7tr1__assembly_1__model_1`	trimeric （3）	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,Kinesin-1 heavy chain
Molecular weight formula_weight	46344.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K
Atom count atom_count	9707

MASYPNSLGSPATVTSTSVPTAKQSSISVAVRVRPFTEAESNRLVKIDNDDVFLGDGCLTSDNNNNNNNSNSNGNGNGNGSSAANSSGASTSRRAIFNTLGGLRKIINVVDDRMLIIASKRFVFDRLFDEDCTQDQVYRNTTQPLLDSVLDGYNATVFAYGATGCGKTHTISGTPEDPGVIFLTMKELYNRIEELKDTKIIDISLSYLEIYNETIRDLLNPMTQCKNLVIREDANNKISVSNLSRHRPNSVEEVMQLILEGNKNRTCSPTEANATSSRSHAVLQINVIQKDRTGDITEEHTFATLSIIDLAGSERAAATKNRGARLNEGANINKSLLALGNCINALCDPRRRNHVPYRDSKLTRLLKFSLGGNCKTVMIVCVSPSSQHYDETLNTLKYADRAKEIKTKLIRNLEHHHHHH

Source Source

Source organism organism	Candida albicans
NCBI taxonomy ID ncbi_taxonomy_id	5476
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	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A

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	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

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	2

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	1

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	1

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	1

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	1

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6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id	7tr1B01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1440 — Tubulin/FtsZ, GTPase domain

Domain ID domain_id	7tr1B02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily	20 — Tubulin/FtsZ, C-terminal domain

Domain ID domain_id	7tr1B03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	600 — Helix hairpin bin

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Resolution resolution	3.10 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	67238

CaKip3[2-436]-L2-mutant(HsKHC) - AMP-PNP in complex with a microtubule

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

Kinesin-like protein,Kinesin-1 heavy chain

State in the Current Structure

Other States of the Same Protein in the Database

Kinesin-like protein,Kinesin-1 heavy chain

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

7tr1__assembly_1__model_1

7tr1__assembly_1__model_1 | I(q)

7tr1__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

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)

CaKip3[2-436]-L2-mutant(HsKHC) - AMP-PNP in complex with a microtubule

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

Kinesin-like protein,Kinesin-1 heavy 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

Kinesin-like protein,Kinesin-1 heavy 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 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

7tr1__assembly_1__model_1

7tr1__assembly_1__model_1 | I(q)

7tr1__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

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)