SAXSdb — 4p19

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

425aa long hypothetical proton glutamate symport protein

Pyrococcus horikoshii

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	MERCURY (II) ION × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	O59010_PYRHO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–417； UniProt 1–417 Author chain B； PDBConstruct 1–417； UniProt 1–417 Author chain C； PDBConstruct 1–417； UniProt 1–417

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	4p19
Deposition date deposition_date	2014-02-25
Structure title title	Closed, apo inward-facing state of the glutamate transporter homologue GltPh
Keywords keywords	membrane protein, sodium-coupled aspartate transporter, inward-facing state, apo form, transport protein; TRANSPORT PROTEIN
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.

4p19__assembly_1__model_1

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

Download this curve (.dat)

4p19__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4p19__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	33.71 Å
Rg (electron density)	33.27 Å
Total Rg	33.68 Å
Atom count	9124
Residues	1235
Excluded volume	167920 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4p19__assembly_1__model_1`	trimeric （3）	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 (2)

Entity 1 Entity 1 polymer

Description description	425aa long hypothetical proton glutamate symport protein
Molecular weight formula_weight	44615.9 kDa
Mutation mutation	yes
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	9124

MGLYRKYIEYPVLQKILIGLILGAIVGLILGHYGYAHAVHTYVKPFGDLFVRLLCMLVMPIVFASLVVGAASISPARLGRVGVKIVVYYLLTSAFAVTLGIIMARLFNPGAGIHLAVGGQQFQPHQAPPLVHILLDIVPTNPFGALANGQVLPTIFFAIILGIAITYLMNSENEKVRKSAETLLDAINGLAEAMYKIVNGVMQYAPIGVFALIAYVMAEQGVHVVGELAKVTAAVYVGLTLQILLVYFVLLKIYGIDPISFIKHAKDAMLTAFVTRSSSGTLPVTMRVAKEMGISEGIYSFTLPLGATINMDGTALYQGVATFFIANALGSHLTVGQQLTIVLTAVLASIGTAGVPGAGAIMLCMVLHSVGLPLTDPNVAAAYAMILGIDAILDMGRTMVNVTGDLTGTAIVAKTEGTLVPR

Source Source

Source organism organism	Pyrococcus horikoshii
NCBI taxonomy ID ncbi_taxonomy_id	70601
Host organism host_organism	Escherichia coli K-12

Entity 2 Entity 2 non-polymer

Description description	MERCURY (II) ION
Molecular weight formula_weight	200.6 kDa
Source method src_method	syn
Copy count entity_count	3

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6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id	4p19A00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	3860 — Proton glutamate symport protein
Homologous superfamily homologous superfamily	10 — Sodium:dicarboxylate symporter

Domain ID domain_id	4p19B00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	3860 — Proton glutamate symport protein
Homologous superfamily homologous superfamily	10 — Sodium:dicarboxylate symporter

Domain ID domain_id	4p19C00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	3860 — Proton glutamate symport protein
Homologous superfamily homologous superfamily	10 — Sodium:dicarboxylate symporter

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Unit-cell length a length_a	109.933 Å
Unit-cell length b length_b	201.812 Å
Unit-cell length c length_c	207.142 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	24

Space group space_group	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	—

Resolution resolution	3.250 Å
Low-resolution limit resolution_low	15.000 Å
R factor r_factor	0.2242
R_work r_work	0.2223
R_free r_free	0.2581

Closed, apo inward-facing state of the glutamate transporter homologue GltPh

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

425aa long hypothetical proton glutamate symport protein

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

4p19__assembly_1__model_1

4p19__assembly_1__model_1 | I(q)

4p19__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)

Closed, apo inward-facing state of the glutamate transporter homologue GltPh

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

425aa long hypothetical proton glutamate symport protein

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

4p19__assembly_1__model_1

4p19__assembly_1__model_1 | I(q)

4p19__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)