Current Protein Identity:Q12756 New Search
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
4EGX Crystal structure of KIF1A CC1-FHA tandem Deposited 2012-04-02 Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric(2) Consistent with protein count
Chain A 430–607(178 aa) Fragment:CC1-FHA tandem, UNP residues 430-607
Chain B 430–607(178 aa) Fragment:CC1-FHA tandem, UNP residues 430-607
Not recorded PEG DI(HYDROXYETHYL)ETHER × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP;pH 5.8;289 K;18% (w/v) PEG 5000 MME, 8% (v/v) Tacsimate (pH 6.0), 0.1 M Bis-Tris, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 2.51 Å R-free 0.283
4EGX Crystal structure of KIF1A CC1-FHA tandem Deposited 2012-04-02 Assembly 2 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric(2) Consistent with protein count
Chain C 430–607(178 aa) Fragment:CC1-FHA tandem, UNP residues 430-607
Chain D 430–607(178 aa) Fragment:CC1-FHA tandem, UNP residues 430-607
Not recorded PEG DI(HYDROXYETHYL)ETHER × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP;pH 5.8;289 K;18% (w/v) PEG 5000 MME, 8% (v/v) Tacsimate (pH 6.0), 0.1 M Bis-Tris, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 2.51 Å R-free 0.283
4EJQ Crystal structure of KIF1A C-CC1-FHA Deposited 2012-04-06 Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric(2) Consistent with protein count
Chain A 458–607(150 aa) Fragment:C-CC1-FHA, UNP residues 458-607
Chain B 458–607(150 aa) Fragment:C-CC1-FHA, UNP residues 458-607
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP;pH 7.2;289 K;0.2 M calcium acetate hydrate, 18% (w/v) PEG 3000, 0.1 M Bis-Tris, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 1.89 Å R-free 0.231
4EJQ Crystal structure of KIF1A C-CC1-FHA Deposited 2012-04-06 Assembly 2 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric(2) Consistent with protein count
Chain C 458–607(150 aa) Fragment:C-CC1-FHA, UNP residues 458-607
Chain D 458–607(150 aa) Fragment:C-CC1-FHA, UNP residues 458-607
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP;pH 7.2;289 K;0.2 M calcium acetate hydrate, 18% (w/v) PEG 3000, 0.1 M Bis-Tris, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 1.89 Å R-free 0.231
4EJQ Crystal structure of KIF1A C-CC1-FHA Deposited 2012-04-06 Assembly 3 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric(2) Consistent with protein count
Chain E 458–607(150 aa) Fragment:C-CC1-FHA, UNP residues 458-607
Chain F 458–607(150 aa) Fragment:C-CC1-FHA, UNP residues 458-607
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP;pH 7.2;289 K;0.2 M calcium acetate hydrate, 18% (w/v) PEG 3000, 0.1 M Bis-Tris, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 1.89 Å R-free 0.231
4EJQ Crystal structure of KIF1A C-CC1-FHA Deposited 2012-04-06 Assembly 4 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric(2) Consistent with protein count
Chain G 458–607(150 aa) Fragment:C-CC1-FHA, UNP residues 458-607
Chain H 458–607(150 aa) Fragment:C-CC1-FHA, UNP residues 458-607
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP;pH 7.2;289 K;0.2 M calcium acetate hydrate, 18% (w/v) PEG 3000, 0.1 M Bis-Tris, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 1.89 Å R-free 0.231
4UXO Conserved mechanisms of microtubule-stimulated ADP release, ATP binding, and force generation in transport kinesins Deposited 2014-08-27 Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric(3) Consistent with protein count
Chain C 1–361(361 aa)
Not recorded ZN ZINC ION × 1 MG MAGNESIUM ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ELECTRON MICROSCOPY
cryo-EM buffer 20MM PIPES, 2MM MGCL2, 1MM EGTA, 2MM DTT, 10 U/ML APYRASE;pH 6.8;20MM PIPES, 2MM MGCL2, 1MM EGTA, 2MM DTT, 10 U/ML APYRASE
cryo-EM vitrification conditions Cryogen ETHANE;LIQUID ETHANE
Resolution 6.30 Å
4UXP Conserved mechanisms of microtubule-stimulated ADP release, ATP binding, and force generation in transport kinesins Deposited 2014-08-27 Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric(3) Consistent with protein count
Chain C 1–361(361 aa)
Not recorded ZN ZINC ION × 1 MG MAGNESIUM ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer 20MM PIPES, 2MM MGCL2, 1MM EGTA, 2MM DTT, 10 U/ML APYRASE;pH 6.8;20MM PIPES, 2MM MGCL2, 1MM EGTA, 2MM DTT, 10 U/ML APYRASE
cryo-EM vitrification conditions Cryogen ETHANE;LIQUID ETHANE
Resolution 6.30 Å
4UXR Conserved mechanisms of microtubule-stimulated ADP release, ATP binding, and force generation in transport kinesins Deposited 2014-08-27 Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric(3) Consistent with protein count
Chain C 1–361(361 aa)
Not recorded ZN ZINC ION × 1 MG MAGNESIUM ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ALF TETRAFLUOROALUMINATE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.00 Å
4UXS Conserved mechanisms of microtubule-stimulated ADP release, ATP binding, and force generation in transport kinesins Deposited 2014-08-27 Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric(3) Consistent with protein count
Chain C 1–361(361 aa)
Not recorded ZN ZINC ION × 1 MG MAGNESIUM ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ELECTRON MICROSCOPY
cryo-EM buffer 20MM PIPES, 2MM MGCL2, 1MM EGTA, 2MM DTT, 2MM ADP;pH 6.8;20MM PIPES, 2MM MGCL2, 1MM EGTA, 2MM DTT, 2MM ADP
cryo-EM vitrification conditions Cryogen ETHANE;LIQUID ETHANE
Resolution 7.00 Å
8UTN KIF1A[1-393] AMP-PNP bound two-heads-bound state in complex with a microtubule (class T23L1) Deposited 2023-10-31 Assembly 1 Protein heterocomplex Heteromer;Protein × 7 PDB declaration: heptameric(7) Consistent with protein count
Chain K 1–393(393 aa) Fragment:residues 1-393
Chain N 1–393(393 aa) Fragment:residues 1-393
Not recorded MG MAGNESIUM ION × 4 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 3 GDP GUANOSINE-5'-DIPHOSPHATE × 2 TA1 TAXOL × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8UTO KIF1A[1-393] AMP-PNP bound two-heads-bound state in complex with a microtubule - class T2L1 Deposited 2023-10-31 Assembly 1 Protein heterocomplex Heteromer;Protein × 7 PDB declaration: heptameric(7) Consistent with protein count
Chain K 1–393(393 aa) Fragment:residues 1-393
Chain N 1–393(393 aa) Fragment:residues 1-393
Not recorded MG MAGNESIUM ION × 4 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 3 GDP GUANOSINE-5'-DIPHOSPHATE × 2 TA1 TAXOL × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8UTP KIF1A[1-393] - AMP-PNP two-heads-bound state in complex with a microtubule - class T3L1 Deposited 2023-10-31 Assembly 1 Protein heterocomplex Heteromer;Protein × 7 PDB declaration: heptameric(7) Consistent with protein count
Chain K 1–393(393 aa) Fragment:residues 1-393
Chain N 1–393(393 aa) Fragment:residues 1-393
Not recorded MG MAGNESIUM ION × 4 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 3 GDP GUANOSINE-5'-DIPHOSPHATE × 2 TA1 TAXOL × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8UTQ KIF1A[1-393] AMP-PNP bound one-head-bound state in complex with a microtubule - class T1L02* Deposited 2023-10-31 Assembly 1 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: pentameric(5) Consistent with protein count
Chain K 1–393(393 aa) Fragment:residues 1-393
Not recorded MG MAGNESIUM ION × 3 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 TA1 TAXOL × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8UTR KIF1A[1-393] ADP bound in complex with a microtubule Deposited 2023-10-31 Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric(3) Consistent with protein count
Chain K 1–393(393 aa) Fragment:residues 1-393
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8UTS KIF1A[1-393] APO in complex with a microtubule Deposited 2023-10-31 Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric(3) Consistent with protein count
Chain K 1–393(393 aa) Fragment:residues 1-393
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UTT KIF1A[1-393] P305L mutant AMP-PNP bound two-heads-bound state in complex with a microtubule Deposited 2023-10-31 Assembly 1 Protein heterocomplex Heteromer;Protein × 7 PDB declaration: heptameric(7) Consistent with protein count
Chain K 1–393(393 aa) Fragment:residues 1-393
Chain N 1–393(393 aa) Fragment:residues 1-393
Mutation:P305L Mutation:P305L MG MAGNESIUM ION × 4 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 3 GDP GUANOSINE-5'-DIPHOSPHATE × 2 TA1 TAXOL × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8UTU KIF1A[1-393] P305L mutant AMP-PNP bound one and two heads bound states merged, in complex with a microtubule Deposited 2023-10-31 Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric(4) Consistent with protein count
Chain K 1–393(393 aa) Fragment:residues 1-393
Mutation:P305L MG MAGNESIUM ION × 3 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8UTV KIF1A[1-393] P305L mutant ADP bound in complex with a microtubule Deposited 2023-10-31 Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric(4) Consistent with protein count
Chain K 1–393(393 aa) Fragment:residues 1-393
Mutation:P305L GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8UTW KIF1A[1-393] P305L mutant APO in complex with a microtubule Deposited 2023-10-31 Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric(3) Consistent with protein count
Chain K 1–393(393 aa) Fragment:residues 1-393
Mutation:P305L GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8UTY KIF1A[1-393] P364L mutant AMP-PNP bound two-heads-bound state in complex with a microtubule Deposited 2023-10-31 Assembly 1 Protein heterocomplex Heteromer;Protein × 7 PDB declaration: heptameric(7) Consistent with protein count
Chain K 1–393(393 aa) Fragment:residues 1-393
Chain N 1–393(393 aa) Fragment:residues 1-393
Mutation:P364L Mutation:P364L GTP GUANOSINE-5'-TRIPHOSPHATE × 3 MG MAGNESIUM ION × 4 GDP GUANOSINE-5'-DIPHOSPHATE × 2 TA1 TAXOL × 2 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9YA5 KIF1A R350G bound to microtubules in two-heads-bound state with AMP-PNP Deposited 2025-09-15 Assembly 1 Protein heterocomplex Heteromer;Protein × 6 PDB declaration: hexameric(6) Consistent with protein count
Chain K 1–393(393 aa)
Chain N 1–393(393 aa)
Mutation:R350G Mutation:R350G GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 3 GDP GUANOSINE-5'-DIPHOSPHATE × 2 TA1 TAXOL × 2 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8;BRB80 buffer composed of 80 mM PIPES, 2 mM MgCl2, 1 mM EGTA, PH 6.8
cryo-EM vitrification conditions Cryogen ETHANE;4uL of a 6uM MT solution in BRB80 (80mM PIPES, 2mM MgCl2, 1mM EGTA pH 6.8) along with 20uM paclitaxel was added onto a plasma-cleaned grid. The MTs were incubated for 1 minute at room temperature, and then the excess liquid was removed from the grid using Whatman #1 paper. Next, 4uL of a solution containing 20uM KIF1A-R350G in BRB80 supplemented with 20uM paclitaxel and 5mM AMP-PNP was added to the grid. The grid with the MT and kinesin mixture was then mounted into a Vitrobot, incubated for 1 minute at room temperature, and plunge-frozen into liquid nitrogen-cooled ethane.
Resolution 2.95 Å
9YA7 KIF1A R350G bound to microtubules in the apo state Deposited 2025-09-15 Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric(3) Consistent with protein count
Chain K 1–393(393 aa)
Mutation:R350 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8;BRB80 buffer composed of 80 mM PIPES, 2 mM MgCl2, 1 mM EGTA, PH 6.8
cryo-EM vitrification conditions Cryogen ETHANE;4uL of a 6uM MT solution in BRB80 (80mM PIPES, 2mM MgCl2, 1mM EGTA pH 6.8) along with 20uM paclitaxel was added onto a plasma-cleaned grid. The MTs were incubated for 1 minute at room temperature, and then the excess liquid was removed from the grid using Whatman #1 paper. Next, 4uL of a solution containing 20uM KIF1A-R350G in BRB80 supplemented with 20uM paclitaxel and 0.005 units per uL apyrase was added to the grid. The grid with the MT and kinesin mixture was then mounted into a Vitrobot, incubated for 1 minute at room temperature, and plunge-frozen into liquid nitrogen-cooled ethane.
Resolution 3.29 Å
9YAB KIF1A R350W bound to microtubules in the apo state Deposited 2025-09-15 Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric(3) Consistent with protein count
Chain K 1–393(393 aa)
Mutation:R350W GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8;BRB80 buffer composed of 80 mM PIPES, 2 mM MgCl2, 1 mM EGTA, PH 6.8
cryo-EM vitrification conditions Cryogen ETHANE;4uL of a 6uM MT solution in BRB80 (80mM PIPES, 2mM MgCl2, 1mM EGTA pH 6.8) along with 20uM paclitaxel was added onto a plasma-cleaned grid. The MTs were incubated for 1 minute at room temperature, and then the excess liquid was removed from the grid using Whatman #1 paper. Next, 4uL of a solution containing 17.5uM KIF1A-R350W in BRB80 supplemented with 20uM paclitaxel and 0.005 units per uL apyrase was added to the grid. The grid with the MT and kinesin mixture was then mounted into a Vitrobot, incubated for 1 minute at room temperature, and plunge-frozen into liquid nitrogen-cooled ethane.
Resolution 3.21 Å
9YAI KIF1A R350W bound to microtubules in two-heads-bound state with AMP-PNP Deposited 2025-09-16 Assembly 1 Protein heterocomplex Heteromer;Protein × 6 PDB declaration: hexameric(6) Consistent with protein count
Chain K 1–393(393 aa)
Chain N 1–393(393 aa)
Mutation:R350W Mutation:R350W MG MAGNESIUM ION × 3 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 TA1 TAXOL × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8;BRB80 buffer composed of 80 mM PIPES, 2 mM MgCl2, 1 mM EGTA, PH 6.8
cryo-EM vitrification conditions Cryogen ETHANE;4uL of a 6uM MT solution in BRB80 (80mM PIPES, 2mM MgCl2, 1mM EGTA pH 6.8) along with 20uM paclitaxel was added onto a plasma-cleaned grid. The MTs were incubated for 1 minute at room temperature, and then the excess liquid was removed from the grid using Whatman #1 paper. Next, 4uL of a solution containing 17.5uM KIF1A-R350W in BRB80 supplemented with 20uM paclitaxel and 5mM AMP-PNP was added to the grid. The grid with the MT and kinesin mixture was then mounted into a Vitrobot, incubated for 1 minute at room temperature, and plunge-frozen into liquid nitrogen-cooled ethane.
Resolution 3.12 Å