SAXSdb — 3tm0

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

;Aminoglycoside 3'-phosphotransferase ;

Enterococcus faecalis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 ;(2S)-4-amino-N-[(1R,2S,3R,4R,5S)-5-amino-4-[(2,6-diamino-2,6-dideoxy-alpha-D-glucopyranosyl)oxy]-2-hydroxy-3-(beta-D-xylofuranosyloxy)cyclohexyl]-2-hydroxybutanamide ; × 1 MAGNESIUM ION × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	KKA3_ENTFA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–263； UniProt 2–264

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	3tm0
Deposition date deposition_date	2011-08-30
Structure title title	Crystal Structure of 3',5"-Aminoglycoside Phosphotransferase Type IIIa AMPPNP Butirosin A Complex
Keywords keywords	protein kinase, phosphorylation, TRANSFERASE-ANTIBIOTIC complex; TRANSFERASE/ANTIBIOTIC
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.

3tm0__assembly_1__model_1

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

Download this curve (.dat)

3tm0__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3tm0__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.68 Å
Rg (electron density)	18.83 Å
Total Rg	19.71 Å
Atom count	2241
Residues	263
Excluded volume	39728 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3tm0__assembly_1__model_1`	monomeric （1）	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 (5)

Entity 1 Entity 1 polymer

Description description	;Aminoglycoside 3'-phosphotransferase ;
Molecular weight formula_weight	30880.8 kDa
EC 编号 ec_number	2.7.1.95
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2417

AKMRISPELKKLIEKYRCVKDTEGMSPAKVYKLVGENENLYLKMTDSRYKGTTYDVEREKDMMLWLEGKLPVPKVLHFERHDGWSNLLMSEADGVLCSEEYEDEQSPEKIIELYAECIRLFHSIDISDCPYTNSLDSRLAELDYLLNNDLADVDCENWEEDTPFKDPRELYDFLKTEKPEEELVFSHGDLGDSNIFVKDGKVSGFIDLGRSGRADKWYDIAFCVRSIREDIGEEQYVELFFDLLGIKPDWEKIKYYILLDELF

Source Source

Source organism organism	Enterococcus faecalis
NCBI taxonomy ID ncbi_taxonomy_id	1351
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
Molecular weight formula_weight	506.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	;(2S)-4-amino-N-[(1R,2S,3R,4R,5S)-5-amino-4-[(2,6-diamino-2,6-dideoxy-alpha-D-glucopyranosyl)oxy]-2-hydroxy-3-(beta-D-xylofuranosyloxy)cyclohexyl]-2-hydroxybutanamide ;
Molecular weight formula_weight	555.6 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	176

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d3tm0a_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.144 — Protein kinase-like (PK-like)
Superfamily Superfamily superfamily	d.144.1 — Protein kinase-like (PK-like)
Family Family family	d.144.1.6 — APH phosphotransferases

CATH v4.4 (2 domains)

Domain ID domain_id	3tm0A01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily	20 — Phosphorylase Kinase; domain 1

Domain ID domain_id	3tm0A02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	1200 — Aminoglycoside 3'-phosphotransferase; Chain: A, domain 2
Homologous superfamily homologous superfamily	10 — Aminoglycoside phosphotransferase (APH), C-terminal lobe

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Unit-cell length a length_a	80.112 Å
Unit-cell length b length_b	80.112 Å
Unit-cell length c length_c	110.600 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 42 21 2
Space-group number int_tables_number	94
Crystal system crystal_system	—

Resolution resolution	2.100 Å
Low-resolution limit resolution_low	39.571 Å
R factor r_factor	0.1837
R_work r_work	0.1792
R_free r_free	0.2240

Crystal Structure of 3',5"-Aminoglycoside Phosphotransferase Type IIIa AMPPNP Butirosin A Complex

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

;Aminoglycoside 3'-phosphotransferase ;

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

3tm0__assembly_1__model_1

3tm0__assembly_1__model_1 | I(q)

3tm0__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 (5)

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 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (2)

Crystal Structure of 3',5"-Aminoglycoside Phosphotransferase Type IIIa AMPPNP Butirosin A Complex

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

;Aminoglycoside 3'-phosphotransferase ;

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

3tm0__assembly_1__model_1

3tm0__assembly_1__model_1 | I(q)

3tm0__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 (5)

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 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (2)