SAXSdb — 4cxr

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

ADENOSYLMETHIONINE-8-AMINO-7-OXONONANOATE AMINOTRANSFERASE

MYCOBACTERIUM TUBERCULOSIS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	PYRIDOXAL-5'-PHOSPHATE × 2 1-(1,3-benzothiazol-2-yl)methanamine × 1 SULFATE ION × 2 1,2-ETHANEDIOL × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	BIOA_MYCTU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 21–457； UniProt 1–437 Author chain B； PDBConstruct 21–457； UniProt 1–437

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	4cxr
Deposition date deposition_date	2014-04-08
Structure title title	Mycobaterium tuberculosis transaminase BioA complexed with 1-(1,3- benzothiazol-2-yl)methanamine
Keywords keywords	TRANSFERASE, TRANSAMINASE, TUBERCULOSIS, PLP; TRANSFERASE
Experimental Method method	X-RAY DIFFRACTION

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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.

4cxr__assembly_1__model_1

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

Download this curve (.dat)

4cxr__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4cxr__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	27.06 Å
Rg (electron density)	25.90 Å
Total Rg	26.71 Å
Atom count	6432
Residues	852
Excluded volume	114480 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4cxr__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 (6)

Entity 1 Entity 1 polymer

Description description	ADENOSYLMETHIONINE-8-AMINO-7-OXONONANOATE AMINOTRANSFERASE
Molecular weight formula_weight	48536.5 kDa
EC 编号 ec_number	2.6.1.62
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	6758

MGSSHHHHHHSSGLVPRGSHMAAATGGLTPEQIIAVDGAHLWHPYSSIGREAVSPVVAVAAHGAWLTLIRDGQPIEVLDAMSSWWTAIHGHGHPALDQALTTQLRVMNHVMFGGLTHEPAARLAKLLVDITPAGLDTVFFSDSGSVSVEVAAKMALQYWRGRGLPGKRRLMTWRGGYHGDTFLAMSICDPHGGMHSLWTDVLAAQVFAPQVPRDYDPAYSAAFEAQLAQHAGELAAVVVEPVVQGAGGMRFHDPRYLHDLRDICRRYEVLLIFDEIATGFGRTGALFAADHAGVSPDIMCVGKALTGGYLSLAATLCTADVAHTISAGAAGALMHGPTFMANPLACAVSVASVELLLGQDWRTRITELAAGLTAGLDTARALPAVTDVRVCGAIGVIECDRPVDLAVATPAALDRGVWLRPFRNLVYAMPPYICTPAEITQITSAMVEVARLVGSLP

Source Source

Source organism organism	MYCOBACTERIUM TUBERCULOSIS
NCBI taxonomy ID ncbi_taxonomy_id	1773
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 non-polymer

Description description	PYRIDOXAL-5'-PHOSPHATE
Molecular weight formula_weight	247.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	1-(1,3-benzothiazol-2-yl)methanamine
Molecular weight formula_weight	164.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	235

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d4cxra_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.67 — PLP-dependent transferase-like
Superfamily Superfamily superfamily	c.67.1 — PLP-dependent transferases
Family Family family	c.67.1.0 — automated matches

Domain ID domain_id	d4cxrb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.67 — PLP-dependent transferase-like
Superfamily Superfamily superfamily	c.67.1 — PLP-dependent transferases
Family Family family	c.67.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id	4cxrA01
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	1150 — Aspartate Aminotransferase, domain 1
Homologous superfamily homologous superfamily	10 — Aspartate Aminotransferase, domain 1

Domain ID domain_id	4cxrA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	640 — Aspartate Aminotransferase; domain 2
Homologous superfamily homologous superfamily	10 — Type I PLP-dependent aspartate aminotransferase-like (Major domain)

Domain ID domain_id	4cxrB01
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	1150 — Aspartate Aminotransferase, domain 1
Homologous superfamily homologous superfamily	10 — Aspartate Aminotransferase, domain 1

Domain ID domain_id	4cxrB02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	640 — Aspartate Aminotransferase; domain 2
Homologous superfamily homologous superfamily	10 — Type I PLP-dependent aspartate aminotransferase-like (Major domain)

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Unit-cell length a length_a	62.940 Å
Unit-cell length b length_b	66.084 Å
Unit-cell length c length_c	201.899 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	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.700 Å
Low-resolution limit resolution_low	31.403 Å
R factor r_factor	0.1876
R_work r_work	0.1862
R_free r_free	0.2138

Mycobaterium tuberculosis transaminase BioA complexed with 1-(1,3- benzothiazol-2-yl)methanamine

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

ADENOSYLMETHIONINE-8-AMINO-7-OXONONANOATE AMINOTRANSFERASE

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

4cxr__assembly_1__model_1

4cxr__assembly_1__model_1 | I(q)

4cxr__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (6)

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 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Mycobaterium tuberculosis transaminase BioA complexed with 1-(1,3- benzothiazol-2-yl)methanamine

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

ADENOSYLMETHIONINE-8-AMINO-7-OXONONANOATE AMINOTRANSFERASE

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

4cxr__assembly_1__model_1

4cxr__assembly_1__model_1 | I(q)

4cxr__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (6)

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 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)