SAXSdb — 9ueq

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

Pyruvate carboxylase

Mycobacterium tuberculosis H37Rv

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	ZINC ION × 2 BIOTIN × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	I6YEU0_MYCTU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–671； UniProt 457–1127 Author chain B； PDBConstruct 1–671； UniProt 457–1127

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	9ueq
Deposition date deposition_date	2025-04-09
Structure title title	Cryo-EM structure of the CT-PT-BCCP domain of pyruvate carboxylase from Mycobacterium tuberculosis
Keywords keywords	Pyruvate Carboxylase, BCCP, CT, Mycobacterium tuberculosis, LIGASE; LIGASE
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.

9ueq__assembly_1__model_1

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

Download this curve (.dat)

9ueq__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9ueq__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	35.05 Å
Rg (electron density)	34.08 Å
Total Rg	34.78 Å
Atom count	19974
Residues	1342
Excluded volume	178110 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9ueq__assembly_1__model_1`	dimeric （2）	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 (4)

Entity 1 Entity 1 polymer

Description description	Pyruvate carboxylase
Molecular weight formula_weight	71522.0 kDa
EC 编号 ec_number	6.4.1.1
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	19977

ADRGTKILNFLADVTVNNPYGSRPSTIYPDDKLPDLDLRAAPPAGSKQRLVKLGPEGFARWLRESAAVGVTDTTFRDAHQSLLATRVRTSGLSRVAPYLARTMPQLLSVECWGGATYDVALRFLKEDPWERLATLRAAMPNICLQMLLRGRNTVGYTPYPEIVTSAFVQEATATGIDIFRIFDALNNIESMRPAIDAVRETGSAIAEVAMCYTGDLTDPGEQLYTLDYYLKLAEQIVDAGAHVLAIKDMAGLLRPPAAQRLVSALRSRFDLPVHLHTHDTPGGQLASYVAAWHAGADAVDGAAAPLAGTTSQPALSSIVAAAAHTEYDTGLSLSAVCALEPYWEALRKVYAPFESGLPGPTGRVYHHEIPGGQLSNLRQQAIALGLGDRFEEIEEAYAGADRVLGRLVKVTPTSKVVGDLALALVGAGVSADEFASDPARFGIPESVLGFLRGELGDPPGGWPEPLRTAALAGRGAARPTAQLAADDEIALSSVGAKRQATLNRLLFPSPTKEFNEHREAYGDTSQLSANQFFYGLRQGEEHRVKLERGVELLIGLEAISEPDERGMRTVMCILNGQLRPVLVRDRSIASAVPAAEKADRGNPGHIAAPFAGVVTVGVCVGERVGAGQTIATIEAMKMEAPITAPVAGTVERVAVSDTAQVEGGDLLVVVS

Source Source

Source organism organism	Mycobacterium tuberculosis H37Rv
NCBI taxonomy ID ncbi_taxonomy_id	83332
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	BIOTIN
Molecular weight formula_weight	244.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	3

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	triclinic

Resolution resolution	3.200 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

Resolution resolution	3.20 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	110575

Cryo-EM structure of the CT-PT-BCCP domain of pyruvate carboxylase from Mycobacterium tuberculosis

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

Pyruvate carboxylase

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

9ueq__assembly_1__model_1

9ueq__assembly_1__model_1 | I(q)

9ueq__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)

Cryo-EM structure of the CT-PT-BCCP domain of pyruvate carboxylase from Mycobacterium tuberculosis

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

Pyruvate carboxylase

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

9ueq__assembly_1__model_1

9ueq__assembly_1__model_1 | I(q)

9ueq__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)