1qce

SOLUTION NMR STRUCTURE OF ECTODOMAIN OF SIV GP41, RESTRAINED REGULARIZED MEAN STRUCTURE PLUS 29 SIMULATED ANNEALING STRUCTURES

Method: SOLUTION NMR

▼

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

PROTEIN (GP41)

OrganismNot specified

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	Q88031_SIVCZ
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–123； UniProt 552–674 Author chain B； PDBConstruct 1–123； UniProt 552–674 Author chain C； PDBConstruct 1–123； UniProt 552–674

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	1qce
Deposition date deposition_date	1999-04-30
Structure title title	SOLUTION NMR STRUCTURE OF ECTODOMAIN OF SIV GP41, RESTRAINED REGULARIZED MEAN STRUCTURE PLUS 29 SIMULATED ANNEALING STRUCTURES
Keywords keywords	VIRUS ENVELOPE PROTEIN, SIV GP41 ECTODOMAIN, Viral protein; VIRAL PROTEIN
Experimental Method method	SOLUTION NMR

▼

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.

1qce__assembly_1__model_14

Assembly 1 · Model 14 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1qce__assembly_1__model_14 | I(q)

100 plotted points; both axes use logarithmic scales.

1qce__assembly_1__model_14 | P(r) · Pending

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

Rg（Guinier）	28.90 Å
Rg (electron density)	29.01 Å
Total Rg	29.28 Å
Atom count	6117
Residues	369
Excluded volume	54244 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1qce__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	2	`1qce__assembly_1__model_2`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	3	`1qce__assembly_1__model_3`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	4	`1qce__assembly_1__model_4`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	5	`1qce__assembly_1__model_5`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	6	`1qce__assembly_1__model_6`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	7	`1qce__assembly_1__model_7`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	8	`1qce__assembly_1__model_8`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	9	`1qce__assembly_1__model_9`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	10	`1qce__assembly_1__model_10`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	11	`1qce__assembly_1__model_11`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	12	`1qce__assembly_1__model_12`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	13	`1qce__assembly_1__model_13`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	14	`1qce__assembly_1__model_14`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	15	`1qce__assembly_1__model_15`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	16	`1qce__assembly_1__model_16`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	17	`1qce__assembly_1__model_17`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	18	`1qce__assembly_1__model_18`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	19	`1qce__assembly_1__model_19`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	20	`1qce__assembly_1__model_20`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	21	`1qce__assembly_1__model_21`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	22	`1qce__assembly_1__model_22`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	23	`1qce__assembly_1__model_23`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	24	`1qce__assembly_1__model_24`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	25	`1qce__assembly_1__model_25`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	26	`1qce__assembly_1__model_26`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	27	`1qce__assembly_1__model_27`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	28	`1qce__assembly_1__model_28`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	29	`1qce__assembly_1__model_29`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	30	`1qce__assembly_1__model_30`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (1)

▼

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1qcea_
Class class	h — Coiled coil proteins
Fold Fold fold	h.3 — Stalk segment of viral fusion proteins
Superfamily Superfamily superfamily	h.3.2 — Virus ectodomain
Family Family family	h.3.2.1 — Virus ectodomain

Domain ID domain_id	d1qceb_
Class class	h — Coiled coil proteins
Fold Fold fold	h.3 — Stalk segment of viral fusion proteins
Superfamily Superfamily superfamily	h.3.2 — Virus ectodomain
Family Family family	h.3.2.1 — Virus ectodomain

Domain ID domain_id	d1qcec_
Class class	h — Coiled coil proteins
Fold Fold fold	h.3 — Stalk segment of viral fusion proteins
Superfamily Superfamily superfamily	h.3.2 — Virus ectodomain
Family Family family	h.3.2.1 — Virus ectodomain

CATH v4.4 (3 domains)

Domain ID domain_id	1qceA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	210 —

Domain ID domain_id	1qceB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	210 —

Domain ID domain_id	1qceC00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	210 —

▶

Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	1

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

Description description	PROTEIN (GP41)
Molecular weight formula_weight	14431.3 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	183510

SOLUTION NMR STRUCTURE OF ECTODOMAIN OF SIV GP41, RESTRAINED REGULARIZED MEAN STRUCTURE PLUS 29 SIMULATED ANNEALING STRUCTURES

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

PROTEIN (GP41)

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

1qce__assembly_1__model_14

1qce__assembly_1__model_14 | I(q)

1qce__assembly_1__model_14 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (3)

SOLUTION NMR STRUCTURE OF ECTODOMAIN OF SIV GP41, RESTRAINED REGULARIZED MEAN STRUCTURE PLUS 29 SIMULATED ANNEALING STRUCTURES

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

PROTEIN (GP41)

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

1qce__assembly_1__model_14

1qce__assembly_1__model_14 | I(q)

1qce__assembly_1__model_14 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (3)