SAXSdb — 1jk6

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

NEUROPHYSIN 2

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NEU2_BOVIN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–89； UniProt 38–126 Author chain C； PDBConstruct 1–89； UniProt 38–126

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	1jk6
Deposition date deposition_date	2001-07-11
Structure title title	UNCOMPLEXED DES 1-6 BOVINE NEUROPHYSIN
Keywords keywords	NEUROPHYSIN, HORMONE TRANSPORT, HYPOTHALAMUS, NEUROPEPTIDE; NEUROPEPTIDE
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.

1jk6__assembly_1__model_1

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

Download this curve (.dat)

1jk6__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1jk6__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	15.60 Å
Rg (electron density)	15.10 Å
Total Rg	15.83 Å
Atom count	1116
Residues	160
Excluded volume	19387 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1jk6__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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1jk6a_
Class class	b — All beta proteins
Fold Fold fold	b.9 — Neurophysin II
Superfamily Superfamily superfamily	b.9.1 — Neurophysin II
Family Family family	b.9.1.1 — Neurophysin II

Domain ID domain_id	d1jk6c_
Class class	b — All beta proteins
Fold Fold fold	b.9 — Neurophysin II
Superfamily Superfamily superfamily	b.9.1 — Neurophysin II
Family Family family	b.9.1.1 — Neurophysin II

CATH v4.4 (2 domains)

Domain ID domain_id	1jk6A00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	9 — Neurophysin II; Chain A
Homologous superfamily homologous superfamily	10 — Neurohypophysial hormone domain

Domain ID domain_id	1jk6C00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	9 — Neurophysin II; Chain A
Homologous superfamily homologous superfamily	10 — Neurohypophysial hormone domain

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Unit-cell length a length_a	48.920 Å
Unit-cell length b length_b	48.920 Å
Unit-cell length c length_c	78.520 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	6

Space group space_group	P 32
Space-group number int_tables_number	145
Crystal system crystal_system	—

Resolution resolution	2.400 Å
Low-resolution limit resolution_low	23.000 Å
R factor r_factor	0.2180
R_work r_work	0.2180
R_free r_free	0.2490

Description description	NEUROPHYSIN 2
Molecular weight formula_weight	9243.5 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,C
Atom count atom_count	1159

UNCOMPLEXED DES 1-6 BOVINE NEUROPHYSIN

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

NEUROPHYSIN 2

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

1jk6__assembly_1__model_1

1jk6__assembly_1__model_1 | I(q)

1jk6__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

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (5)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	43

UNCOMPLEXED DES 1-6 BOVINE NEUROPHYSIN

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

NEUROPHYSIN 2

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

1jk6__assembly_1__model_1

1jk6__assembly_1__model_1 | I(q)

1jk6__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

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (5)