SAXSdb — 9fbg

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

Nucleoprotein

Severe acute respiratory syndrome coronavirus 2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
10	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
11	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
12	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
13	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
14	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
15	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
16	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
17	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
18	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
5	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
6	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
7	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
8	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
9	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NCAP_SARS2
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–136； UniProt 41–174 Author chain B； PDBConstruct 3–136； UniProt 41–174 Author chain C； PDBConstruct 3–136； UniProt 41–174 Author chain D； PDBConstruct 3–136； UniProt 41–174 Author chain E； PDBConstruct 3–136； UniProt 41–174 Author chain F； PDBConstruct 3–136； UniProt 41–174 Author chain G； PDBConstruct 3–136； UniProt 41–174 Author chain H； PDBConstruct 3–136； UniProt 41–174 Author chain I； PDBConstruct 3–136； UniProt 41–174 Author chain J； PDBConstruct 3–136； UniProt 41–174 Author chain K； PDBConstruct 3–136； UniProt 41–174 Author chain L； PDBConstruct 3–136； UniProt 41–174 Author chain M； PDBConstruct 3–136； UniProt 41–174 Author chain N； PDBConstruct 3–136； UniProt 41–174 Author chain O； PDBConstruct 3–136； UniProt 41–174 Author chain P； PDBConstruct 3–136； UniProt 41–174 Author chain Q； PDBConstruct 3–136； UniProt 41–174 Author chain R； PDBConstruct 3–136； UniProt 41–174

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	9fbg
Deposition date deposition_date	2024-05-13
Structure title title	SARS-CoV-2 Nucleocapsid N-terminal domain (NTD) mutant P151S
Keywords keywords	SARS-CoV-2, Nucelocapsid, N-terminal domain, Omicron BA. 4, VIRAL PROTEIN; VIRAL 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.

9fbg__assembly_10__model_1

Assembly 10 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

9fbg__assembly_10__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9fbg__assembly_10__model_1 | P(r) · Pending

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

Rg（Guinier）	16.63 Å
Rg (electron density)	15.33 Å
Total Rg	16.63 Å
Atom count	1028
Residues	132
Excluded volume	18067 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9fbg__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`9fbg__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`9fbg__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`9fbg__assembly_4__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`9fbg__assembly_5__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
6	1	`9fbg__assembly_6__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
7	1	`9fbg__assembly_7__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
8	1	`9fbg__assembly_8__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
9	1	`9fbg__assembly_9__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
10	1	`9fbg__assembly_10__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
11	1	`9fbg__assembly_11__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
12	1	`9fbg__assembly_12__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
13	1	`9fbg__assembly_13__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
14	1	`9fbg__assembly_14__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
15	1	`9fbg__assembly_15__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
16	1	`9fbg__assembly_16__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
17	1	`9fbg__assembly_17__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
18	1	`9fbg__assembly_18__model_1`	monomeric （1）	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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Unit-cell length a length_a	188.111 Å
Unit-cell length b length_b	108.883 Å
Unit-cell length c length_c	146.272 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	100.79 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	72

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

Resolution resolution	2.540 Å
Low-resolution limit resolution_low	47.750 Å
R factor r_factor	0.2228
R_work r_work	0.2208
R_free r_free	0.2605

Description description	Nucleoprotein
Molecular weight formula_weight	14884.6 kDa
Mutation mutation	P151S
Source method src_method	man
Copy count entity_count	18

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R
Atom count atom_count	19632

SARS-CoV-2 Nucleocapsid N-terminal domain (NTD) mutant P151S

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

Nucleoprotein

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

9fbg__assembly_10__model_1

9fbg__assembly_10__model_1 | I(q)

9fbg__assembly_10__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 water

7. Citations (1)

Source organism organism	Severe acute respiratory syndrome coronavirus 2
NCBI taxonomy ID ncbi_taxonomy_id	2697049
Host organism host_organism	Escherichia coli BL21(DE3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1116

SARS-CoV-2 Nucleocapsid N-terminal domain (NTD) mutant P151S

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

Nucleoprotein

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

9fbg__assembly_10__model_1

9fbg__assembly_10__model_1 | I(q)

9fbg__assembly_10__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 water

7. Citations (1)