SAXSdb — 2ec7

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

Gag polyprotein (Pr55Gag)

Human immunodeficiency virus type 2 (ISOLATE GHANA-1)

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	ZINC ION × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GAG_HV2G1
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–49； UniProt 384–432

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	2ec7
Deposition date deposition_date	2007-02-10
Structure title title	Solution Structure of Human Immunodificiency Virus Type-2 Nucleocapsid Protein
Keywords keywords	NUCLEOCAPSID PROTEIN, HIV-2, RNA RECOGNITION, ZINC FINGER, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method method	SOLUTION NMR

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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.

2ec7__assembly_1__model_1

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

Download this curve (.dat)

2ec7__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2ec7__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	13.45 Å
Rg (electron density)	12.91 Å
Total Rg	13.80 Å
Atom count	767
Residues	49
Excluded volume	6727 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2ec7__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	2	`2ec7__assembly_1__model_2`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	3	`2ec7__assembly_1__model_3`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	4	`2ec7__assembly_1__model_4`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	5	`2ec7__assembly_1__model_5`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	6	`2ec7__assembly_1__model_6`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	7	`2ec7__assembly_1__model_7`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	8	`2ec7__assembly_1__model_8`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	9	`2ec7__assembly_1__model_9`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	10	`2ec7__assembly_1__model_10`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	11	`2ec7__assembly_1__model_11`	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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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d2ec7a_
Class class	g — Small proteins
Fold Fold fold	g.40 — Retrovirus zinc finger-like domains
Superfamily Superfamily superfamily	g.40.1 — Retrovirus zinc finger-like domains
Family Family family	g.40.1.1 — Retrovirus zinc finger-like domains

CATH v4.4 (1 domains)

Domain ID domain_id	2ec7A00
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	60 — HIV-1 Nucleocapsid Protein
Homologous superfamily homologous superfamily	10 — Zinc finger, CCHC-type

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Description description	Gag polyprotein (Pr55Gag)
Molecular weight formula_weight	5567.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	8437

Source organism organism	Human immunodeficiency virus type 2 (ISOLATE GHANA-1)
NCBI taxonomy ID ncbi_taxonomy_id	11717
Host organism host_organism	Escherichia coli BL21(DE3)

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

Solution Structure of Human Immunodificiency Virus Type-2 Nucleocapsid Protein

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

Gag polyprotein (Pr55Gag)

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

2ec7__assembly_1__model_1

2ec7__assembly_1__model_1 | I(q)

2ec7__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Solution Structure of Human Immunodificiency Virus Type-2 Nucleocapsid Protein

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

Gag polyprotein (Pr55Gag)

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

2ec7__assembly_1__model_1

2ec7__assembly_1__model_1 | I(q)

2ec7__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)