SAXSdb — 2hnw

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

Oxytocin-neurophysin 1

Bos taurus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NEU1_BOVIN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–80； UniProt 38–117 Author chain B； PDBConstruct 1–80； UniProt 38–117 Author chain C； PDBConstruct 1–80； UniProt 38–117 Author chain D； PDBConstruct 1–80； UniProt 38–117 Author chain E； PDBConstruct 1–80； UniProt 38–117

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	2hnw
Deposition date deposition_date	2006-07-13
Structure title title	Crystal Structure of the F91STOP mutant of des1-6 Bovine Neurophysin-I, unliganded state
Keywords keywords	;unliganded bovine neurophysin-I, des1-6, F91STOP mutations, inter-domain loop, disulfides, beta sheet, 3, 10 helix, subunit interface, PEPTIDE BINDING PROTEIN ;; PEPTIDE BINDING 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.

2hnw__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2hnw__assembly_3__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2hnw__assembly_3__model_1 | P(r) · Pending

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

Rg（Guinier）	15.80 Å
Rg (electron density)	15.26 Å
Total Rg	16.02 Å
Atom count	1102
Residues	160
Excluded volume	19058 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2hnw__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2hnw__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2hnw__assembly_3__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 (1)

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

Domain ID domain_id	d2hnwa_
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	d2hnwb_
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	d2hnwc_
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	d2hnwd_
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	d2hnwe_
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 (5 domains)

Domain ID domain_id	2hnwA00
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	2hnwB00
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	2hnwC00
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	2hnwD00
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	2hnwE00
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	117.891 Å
Unit-cell length b length_b	117.891 Å
Unit-cell length c length_c	66.845 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	30

Space group space_group	P 3 2 1
Space-group number int_tables_number	150
Crystal system crystal_system	—

Resolution resolution	2.900 Å
Low-resolution limit resolution_low	23.840 Å
R factor r_factor	—
R_work r_work	0.2450
R_free r_free	0.3210

Description description	Oxytocin-neurophysin 1
Molecular weight formula_weight	8066.1 kDa
Source method src_method	man
Copy count entity_count	5

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E
Atom count atom_count	2755

Crystal Structure of the F91STOP mutant of des1-6 Bovine Neurophysin-I, unliganded state

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

Oxytocin-neurophysin 1

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

2hnw__assembly_3__model_1

2hnw__assembly_3__model_1 | I(q)

2hnw__assembly_3__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) 10 domains

SCOP 2.08 (5 domains)

CATH v4.4 (5 domains)

7. Citations (1)

Source organism organism	Bos taurus
Common name common_name	cattle
NCBI taxonomy ID ncbi_taxonomy_id	9913
Host organism host_organism	Escherichia coli

Crystal Structure of the F91STOP mutant of des1-6 Bovine Neurophysin-I, unliganded state

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

Oxytocin-neurophysin 1

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

2hnw__assembly_3__model_1

2hnw__assembly_3__model_1 | I(q)

2hnw__assembly_3__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) 10 domains

SCOP 2.08 (5 domains)

CATH v4.4 (5 domains)

7. Citations (1)