SAXSdb — 1h6s

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

PORIN

RHODOPSEUDOMONAS BLASTICA

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PORI_RHOBL
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain 1； PDBConstruct 1–203； UniProt 1–203 Author chain 1； PDBConstruct 222–307； UniProt 204–289

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	1h6s
Deposition date deposition_date	2001-06-22
Structure title title	Asymmetric conductivity of engineered proteins
Keywords keywords	MEMBRANE PROTEIN, INTEGRAL MEMBRANE PROTEIN PORIN; MEMBRANE 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.

1h6s__assembly_1__model_1

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

Download this curve (.dat)

1h6s__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1h6s__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	31.51 Å
Rg (electron density)	30.93 Å
Total Rg	31.61 Å
Atom count	6492
Residues	867
Excluded volume	112990 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1h6s__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 (1)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1h6s1_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.4 — Transmembrane beta-barrels
Superfamily Superfamily superfamily	f.4.3 — Porins
Family Family family	f.4.3.1 — Porin

CATH v4.4 (1 domains)

Domain ID domain_id	1h6s100
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	160 — Porin
Homologous superfamily homologous superfamily	10 — Porin

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Unit-cell length a length_a	104.200 Å
Unit-cell length b length_b	104.200 Å
Unit-cell length c length_c	124.900 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	9

Space group space_group	H 3
Space-group number int_tables_number	146
Crystal system crystal_system	—

Resolution resolution	3.000 Å
Low-resolution limit resolution_low	36.000 Å
R factor r_factor	0.1970
R_work r_work	0.1970
R_free r_free	0.2100

Description description	PORIN
Molecular weight formula_weight	32222.7 kDa
Mutation mutation	YES
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	1
Atom count atom_count	2164

Asymmetric conductivity of engineered proteins

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

PORIN

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

1h6s__assembly_1__model_1

1h6s__assembly_1__model_1 | I(q)

1h6s__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Source organism organism	RHODOPSEUDOMONAS BLASTICA
NCBI taxonomy ID ncbi_taxonomy_id	1075
Host organism host_organism	ESCHERICHIA COLI

Asymmetric conductivity of engineered proteins

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

PORIN

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

1h6s__assembly_1__model_1

1h6s__assembly_1__model_1 | I(q)

1h6s__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)