9KBN | pdb_00009kbn

Crystal structure of T2R-TTL-IKP104-Colchicine

PDB DOI: https://doi.org/10.2210/pdb9KBN/pdb

Classification: CELL CYCLE
Organism(s): Sus scrofa, Rattus norvegicus, Gallus gallus
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2024-10-31 Released: 2025-11-05
Deposition Author(s): Yan, W., Yang, J.H.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.56 Å
R-Value Free:
0.262 (Depositor), 0.263 (DCC)
R-Value Work:
0.228 (Depositor), 0.229 (DCC)
R-Value Observed:
0.229 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

Crystal structure of T2R-TTL-IKP104-Colchicine

Yan, W., Yang, J.H.

To be published.

Macromolecule Content

Total Structure Weight: 262.45 kDa
Atom Count: 17,327
Modeled Residue Count: 2,196
Deposited Residue Count: 2,289
Unique protein chains: 4

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Detyrosinated tubulin alpha-1B chain	A, C	450	Sus scrofa	Mutation(s): 0 EC: 3.6.5
UniProt
Find proteins for Q2XVP4 (Sus scrofa) Explore Q2XVP4 Go to UniProtKB: Q2XVP4
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q2XVP4
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Tubulin beta chain	B, D	431	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for A0A8D0VN39 (Sus scrofa) Explore A0A8D0VN39 Go to UniProtKB: A0A8D0VN39
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A8D0VN39
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff) | 3D Structure

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Stathmin-4	E	143	Rattus norvegicus	Mutation(s): 0 Gene Names: Stmn4
UniProt
Find proteins for P63043 (Rattus norvegicus) Explore P63043 Go to UniProtKB: P63043
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P63043
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff) | 3D Structure

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Tubulin tyrosine ligase	F	384	Gallus gallus	Mutation(s): 0 Gene Names: TTL EC: 6.3.2.25
UniProt
Find proteins for A0A8V0Z8P0 (Gallus gallus) Explore A0A8V0Z8P0 Go to UniProtKB: A0A8V0Z8P0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A8V0Z8P0
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 8 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
GTP Query on GTP Download Ideal Coordinates CCD File SDF format, chain G [auth A] SDF format, chain R [auth C] SDF format, chain X [auth D] MOL2 format, chain G [auth A] MOL2 format, chain R [auth C] MOL2 format, chain X [auth D] mmCIF format, chain G [auth A] mmCIF format, chain R [auth C] mmCIF format, chain X [auth D]	G [auth A], R [auth C], X [auth D]	GUANOSINE-5'-TRIPHOSPHATE C₁₀ H₁₆ N₅ O₁₄ P₃ XKMLYUALXHKNFT-UUOKFMHZSA-N		Interactions Focus chain G [auth A] Focus chain R [auth C] Focus chain X [auth D] Interactions & Density Focus chain G [auth A] Focus chain R [auth C] Focus chain X [auth D]
ACP Query on ACP Download Ideal Coordinates CCD File SDF format, chain AA [auth F] MOL2 format, chain AA [auth F] mmCIF format, chain AA [auth F]	AA [auth F]	PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER C₁₁ H₁₈ N₅ O₁₂ P₃ UFZTZBNSLXELAL-IOSLPCCCSA-N		Interactions Focus chain AA [auth F] Interactions & Density Focus chain AA [auth F]
W4Q (Subject of Investigation/LOI) Query on W4Q Download Ideal Coordinates CCD File SDF format, chain N [auth B] MOL2 format, chain N [auth B] mmCIF format, chain N [auth B]	N [auth B]	1-(2-chloranyl-3,5-dimethoxy-phenyl)-2-(4-fluorophenyl)-3-methyl-6-phenyl-pyridin-4-one C₂₆ H₂₁ Cl F N O₃ MYSNSNGSKLLDBP-UHFFFAOYSA-N		Interactions Focus chain N [auth B] Interactions & Density Focus chain N [auth B]
GDP Query on GDP Download Ideal Coordinates CCD File SDF format, chain P [auth B] MOL2 format, chain P [auth B] mmCIF format, chain P [auth B]	P [auth B]	GUANOSINE-5'-DIPHOSPHATE C₁₀ H₁₅ N₅ O₁₁ P₂ QGWNDRXFNXRZMB-UUOKFMHZSA-N		Interactions Focus chain P [auth B] Interactions & Density Focus chain P [auth B]
LOC (Subject of Investigation/LOI) Query on LOC Download Ideal Coordinates CCD File SDF format, chain O [auth B] SDF format, chain Y [auth D] MOL2 format, chain O [auth B] MOL2 format, chain Y [auth D] mmCIF format, chain O [auth B] mmCIF format, chain Y [auth D]	O [auth B], Y [auth D]	N-[(7S)-1,2,3,10-tetramethoxy-9-oxo-6,7-dihydro-5H-benzo[d]heptalen-7-yl]ethanamide C₂₂ H₂₅ N O₆ IAKHMKGGTNLKSZ-INIZCTEOSA-N		Interactions Focus chain O [auth B] Focus chain Y [auth D] Interactions & Density Focus chain O [auth B] Focus chain Y [auth D]
MES Query on MES Download Ideal Coordinates CCD File SDF format, chain K [auth B] MOL2 format, chain K [auth B] mmCIF format, chain K [auth B]	K [auth B]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C₆ H₁₃ N O₄ S SXGZJKUKBWWHRA-UHFFFAOYSA-N		Interactions Focus chain K [auth B] Interactions & Density Focus chain K [auth B]
CA Query on CA Download Ideal Coordinates CCD File SDF format, chain I [auth A] SDF format, chain J [auth A] SDF format, chain L [auth B] SDF format, chain M [auth B] SDF format, chain T [auth C] SDF format, chain U [auth C] SDF format, chain W [auth D] MOL2 format, chain I [auth A] MOL2 format, chain J [auth A] MOL2 format, chain L [auth B] MOL2 format, chain M [auth B] MOL2 format, chain T [auth C] MOL2 format, chain U [auth C] MOL2 format, chain W [auth D] mmCIF format, chain I [auth A] mmCIF format, chain J [auth A] mmCIF format, chain L [auth B] mmCIF format, chain M [auth B] mmCIF format, chain T [auth C] mmCIF format, chain U [auth C] mmCIF format, chain W [auth D]	I [auth A] J [auth A] L [auth B] M [auth B] T [auth C] I [auth A], J [auth A], L [auth B], M [auth B], T [auth C], U [auth C], W [auth D]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain I [auth A] Focus chain J [auth A] Focus chain L [auth B] Focus chain M [auth B] Focus chain T [auth C] Focus chain U [auth C] Focus chain W [auth D] Interactions & Density Focus chain I [auth A] Focus chain J [auth A] Focus chain L [auth B] Focus chain M [auth B] Focus chain T [auth C] Focus chain U [auth C] Focus chain W [auth D]
MG Query on MG Download Ideal Coordinates CCD File SDF format, chain H [auth A] SDF format, chain Q [auth C] SDF format, chain S [auth C] SDF format, chain V [auth D] SDF format, chain Z [auth F] MOL2 format, chain H [auth A] MOL2 format, chain Q [auth C] MOL2 format, chain S [auth C] MOL2 format, chain V [auth D] MOL2 format, chain Z [auth F] mmCIF format, chain H [auth A] mmCIF format, chain Q [auth C] mmCIF format, chain S [auth C] mmCIF format, chain V [auth D] mmCIF format, chain Z [auth F]	H [auth A], Q [auth C], S [auth C], V [auth D], Z [auth F]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain H [auth A] Focus chain Q [auth C] Focus chain S [auth C] Focus chain V [auth D] Focus chain Z [auth F] Interactions & Density Focus chain H [auth A] Focus chain Q [auth C] Focus chain S [auth C] Focus chain V [auth D] Focus chain Z [auth F]