SAXSdb — 1gey

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

HISTIDINOL-PHOSPHATE AMINOTRANSFERASE

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	4-[(1,3-DICARBOXY-PROPYLAMINO)-METHYL]-3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDINIUM × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HIS8_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–356； UniProt 1–356

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	1gey
Deposition date deposition_date	2000-11-30
Structure title title	CRYSTAL STRUCTURE OF HISTIDINOL-PHOSPHATE AMINOTRANSFERASE COMPLEXED WITH N-(5'-PHOSPHOPYRIDOXYL)-L-GLUTAMATE
Keywords keywords	;alpha/beta-structure, N-(5'-PHOSPHOPYRIDOXYL)-L-GLUTAMATE, PPE, complex, TRANSFERASE ;; 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.

1gey__assembly_1__model_1

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

Download this curve (.dat)

1gey__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1gey__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	27.39 Å
Rg (electron density)	26.53 Å
Total Rg	27.27 Å
Atom count	5268
Residues	670
Excluded volume	94373 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1gey__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 (3)

Entity 1 Entity 1 polymer

Description description	HISTIDINOL-PHOSPHATE AMINOTRANSFERASE
Molecular weight formula_weight	39394.0 kDa
EC 编号 ec_number	2.6.1.9
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	2750

MSTVTITDLARENVRNLTPYQSARRLGGNGDVWLNANEYPTAVEFQLTQQTLNRYPECQPKAVIENYAQYAGVKPEQVLVSRGADEGIELLIRAFCEPGKDAILYCPPTYGMYSVSAETIGVECRTVPTLDNWQLDLQGISDKLDGVKVVYVCSPNNPTGQLINPQDFRTLLELTRGKAIVVADEAYIEFCPQASLAGWLAEYPHLAILRTLSKAFALAGLRCGFTLANEEVINLLMKVIAPYPLSTPVADIAAQALSPQGIVAMRERVAQIIAEREYLIAALKEIPCVEQVFDSETNYILARFKASSAVFKSLWDQGIILRDQNKQPSLSGCLRITVGTREESQRVIDALRAEQV

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	4-[(1,3-DICARBOXY-PROPYLAMINO)-METHYL]-3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDINIUM
Molecular weight formula_weight	379.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	116

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1geya_
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.67.1.1 — AAT-like

CATH v4.4 (2 domains)

Domain ID domain_id	1geyA01
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	1geyA02
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

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Unit-cell length a length_a	133.213 Å
Unit-cell length b length_b	63.732 Å
Unit-cell length c length_c	46.199 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	104.25 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.300 Å
Low-resolution limit resolution_low	8.000 Å
R factor r_factor	0.1820
R_work r_work	0.1780
R_free r_free	0.2570

CRYSTAL STRUCTURE OF HISTIDINOL-PHOSPHATE AMINOTRANSFERASE COMPLEXED WITH N-(5'-PHOSPHOPYRIDOXYL)-L-GLUTAMATE

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

HISTIDINOL-PHOSPHATE 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

1gey__assembly_1__model_1

1gey__assembly_1__model_1 | I(q)

1gey__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (1)

CRYSTAL STRUCTURE OF HISTIDINOL-PHOSPHATE AMINOTRANSFERASE COMPLEXED WITH N-(5'-PHOSPHOPYRIDOXYL)-L-GLUTAMATE

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

HISTIDINOL-PHOSPHATE 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

1gey__assembly_1__model_1

1gey__assembly_1__model_1 | I(q)

1gey__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (1)