9K7E | pdb_00009k7e

Crystal structure of T2R-TTL-taccalonolide Y8 complex

PDB DOI: https://doi.org/10.2210/pdb9K7E/pdb

Classification: STRUCTURAL PROTEIN
Organism(s): Sus scrofa, Bos taurus, Rattus norvegicus, Gallus gallus
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2024-10-23 Released: 2025-11-05
Deposition Author(s): Yu, Q.W., Wang, Y.X.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.45 Å
R-Value Free:
0.267 (Depositor), 0.268 (DCC)
R-Value Work:
0.214 (Depositor), 0.214 (DCC)
R-Value Observed:
0.215 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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

Literature

Crystal structure of T2R-TTL-taccalonolide Y8 complex

Yu, Q.W., Wang, Y.X.

To be published.

Macromolecule Content

Total Structure Weight: 258.75 kDa
Atom Count: 17,360
Modeled Residue Count: 2,172
Deposited Residue Count: 2,265
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	440	Sus scrofa	Mutation(s): 0 Gene Names: TUBA1B 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-2B chain	B, D	431	Bos taurus	Mutation(s): 0 Gene Names: TUBB2B
UniProt
Find proteins for Q6B856 (Bos taurus) Explore Q6B856 Go to UniProtKB: Q6B856
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q6B856
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	380	Gallus gallus	Mutation(s): 0 EC: 6.3.2.25
UniProt
Find proteins for A0A8C9FGJ1 (Pavo cristatus) Explore A0A8C9FGJ1 Go to UniProtKB: A0A8C9FGJ1
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	A0A8C9FGJ1
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 7 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
GTP Query on GTP Download Ideal Coordinates CCD File SDF format, chain O [auth C] SDF format, chain G [auth A] MOL2 format, chain O [auth C] MOL2 format, chain G [auth A] mmCIF format, chain O [auth C] mmCIF format, chain G [auth A]	G [auth A], O [auth C]	GUANOSINE-5'-TRIPHOSPHATE C₁₀ H₁₆ N₅ O₁₄ P₃ XKMLYUALXHKNFT-UUOKFMHZSA-N		Interactions Focus chain G [auth A] Focus chain O [auth C] Interactions & Density Focus chain G [auth A] Focus chain O [auth C]
ACP (Subject of Investigation/LOI) Query on ACP Download Ideal Coordinates CCD File SDF format, chain S [auth F] MOL2 format, chain S [auth F] mmCIF format, chain S [auth F]	S [auth F]	PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER C₁₁ H₁₈ N₅ O₁₂ P₃ UFZTZBNSLXELAL-IOSLPCCCSA-N		Interactions Focus chain S [auth F] Interactions & Density Focus chain S [auth F]
GDP Query on GDP Download Ideal Coordinates CCD File SDF format, chain R [auth D] SDF format, chain K [auth B] MOL2 format, chain R [auth D] MOL2 format, chain K [auth B] mmCIF format, chain R [auth D] mmCIF format, chain K [auth B]	K [auth B], R [auth D]	GUANOSINE-5'-DIPHOSPHATE C₁₀ H₁₅ N₅ O₁₁ P₂ QGWNDRXFNXRZMB-UUOKFMHZSA-N		Interactions Focus chain K [auth B] Focus chain R [auth D] Interactions & Density Focus chain K [auth B] Focus chain R [auth D]
A1EE1 Query on A1EE1 Download Ideal Coordinates CCD File SDF format, chain J [auth B] MOL2 format, chain J [auth B] mmCIF format, chain J [auth B]	J [auth B]	(4~{R})-5-(4-hydroxyphenyl)-3-(4-methylphenyl)-4-phenyl-2,4-dihydropyrrolo[3,4-c]pyrazol-6-one C₂₄ H₁₉ N₃ O₂ AEPWKCPPMQLIPX-HSZRJFAPSA-N		Interactions Focus chain J [auth B] Interactions & Density Focus chain J [auth B]
MES Query on MES Download Ideal Coordinates CCD File SDF format, chain M [auth B] SDF format, chain L [auth B] MOL2 format, chain M [auth B] MOL2 format, chain L [auth B] mmCIF format, chain M [auth B] mmCIF format, chain L [auth B]	L [auth B], M [auth B]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C₆ H₁₃ N O₄ S SXGZJKUKBWWHRA-UHFFFAOYSA-N		Interactions Focus chain L [auth B] Focus chain M [auth B] Interactions & Density Focus chain L [auth B] Focus chain M [auth B]
CA Query on CA Download Ideal Coordinates CCD File SDF format, chain P [auth C] SDF format, chain H [auth A] MOL2 format, chain P [auth C] MOL2 format, chain H [auth A] mmCIF format, chain P [auth C] mmCIF format, chain H [auth A]	H [auth A], P [auth C]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain H [auth A] Focus chain P [auth C] Interactions & Density Focus chain H [auth A] Focus chain P [auth C]
MG Query on MG Download Ideal Coordinates CCD File SDF format, chain Q [auth C] SDF format, chain N [auth B] SDF format, chain I [auth A] MOL2 format, chain Q [auth C] MOL2 format, chain N [auth B] MOL2 format, chain I [auth A] mmCIF format, chain Q [auth C] mmCIF format, chain N [auth B] mmCIF format, chain I [auth A]	I [auth A], N [auth B], Q [auth C]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain I [auth A] Focus chain N [auth B] Focus chain Q [auth C] Interactions & Density Focus chain I [auth A] Focus chain N [auth B] Focus chain Q [auth C]