SAXSdb — 1ihq

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

CHIMERIC PEPTIDE GlyTM1bZip: TROPOMYOSIN ALPHA CHAIN, BRAIN-3 and GENERAL CONTROL PROTEIN GCN4

Rattus norvegicus, Saccharomyces cerevisiae

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	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	GCN4_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 21–38； UniProt 264–281 Author chain B； PDBConstruct 21–38； UniProt 264–281

CHIMERIC PEPTIDE GlyTM1bZip: TROPOMYOSIN ALPHA CHAIN, BRAIN-3 and GENERAL CONTROL PROTEIN GCN4

Rattus norvegicus, Saccharomyces cerevisiae

UniProt P18344

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	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	TPMZ_RAT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–20； UniProt 2–20 Author chain B； PDBConstruct 2–20； UniProt 2–20

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	1ihq
Deposition date deposition_date	2001-04-19
Structure title title	GLYTM1BZIP: A CHIMERIC PEPTIDE MODEL OF THE N-TERMINUS OF A RAT SHORT ALPHA TROPOMYOSIN WITH THE N-TERMINUS ENCODED BY EXON 1B
Keywords keywords	;TROPOMYOSIN, EXON 1B, ACTIN-BINDING, THIN-FILAMENT-REGULATION, NON-MUSCLE, ALPHA-HELIX, COILED-COIL, DIMER, GCN4, CHIMERIC-PEPTIDE-MODEL, TW0-CHAINED, Structural Genomics, PSI, Protein Structure Initiative, Northeast Structural Genomics Consortium, NESG, DE NOVO PROTEIN ;; DE NOVO 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.

1ihq__assembly_1__model_1

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

Download this curve (.dat)

1ihq__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1ihq__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	16.51 Å
Rg (electron density)	15.89 Å
Total Rg	16.82 Å
Atom count	1230
Residues	76
Excluded volume	10655 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1ihq__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	2	`1ihq__assembly_1__model_2`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	3	`1ihq__assembly_1__model_3`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	4	`1ihq__assembly_1__model_4`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	5	`1ihq__assembly_1__model_5`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	6	`1ihq__assembly_1__model_6`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	7	`1ihq__assembly_1__model_7`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	8	`1ihq__assembly_1__model_8`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	9	`1ihq__assembly_1__model_9`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
1	10	`1ihq__assembly_1__model_10`	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) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1ihqa_
Class class	k — Designed proteins
Fold Fold fold	k.31 — Glytm1bzip
Superfamily Superfamily superfamily	k.31.1 — Glytm1bzip
Family Family family	k.31.1.1 — Glytm1bzip

Domain ID domain_id	d1ihqb_
Class class	k — Designed proteins
Fold Fold fold	k.31 — Glytm1bzip
Superfamily Superfamily superfamily	k.31.1 — Glytm1bzip
Family Family family	k.31.1.1 — Glytm1bzip

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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	CHIMERIC PEPTIDE GlyTM1bZip: TROPOMYOSIN ALPHA CHAIN, BRAIN-3 and GENERAL CONTROL PROTEIN GCN4
Molecular weight formula_weight	4331.9 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	12300

Source organism organism	Rattus norvegicus, Saccharomyces cerevisiae
Common name common_name	;Norway rat, baker's yeast ;
Host organism host_organism	Escherichia coli

GLYTM1BZIP: A CHIMERIC PEPTIDE MODEL OF THE N-TERMINUS OF A RAT SHORT ALPHA TROPOMYOSIN WITH THE N-TERMINUS ENCODED BY EXON 1B

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

CHIMERIC PEPTIDE GlyTM1bZip: TROPOMYOSIN ALPHA CHAIN, BRAIN-3 and GENERAL CONTROL PROTEIN GCN4

State in the Current Structure

Other States of the Same Protein in the Database

CHIMERIC PEPTIDE GlyTM1bZip: TROPOMYOSIN ALPHA CHAIN, BRAIN-3 and GENERAL CONTROL PROTEIN GCN4

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

1ihq__assembly_1__model_1

1ihq__assembly_1__model_1 | I(q)

1ihq__assembly_1__model_1 | 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

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

7. Citations (1)

GLYTM1BZIP: A CHIMERIC PEPTIDE MODEL OF THE N-TERMINUS OF A RAT SHORT ALPHA TROPOMYOSIN WITH THE N-TERMINUS ENCODED BY EXON 1B

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

CHIMERIC PEPTIDE GlyTM1bZip: TROPOMYOSIN ALPHA CHAIN, BRAIN-3 and GENERAL CONTROL PROTEIN GCN4

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

CHIMERIC PEPTIDE GlyTM1bZip: TROPOMYOSIN ALPHA CHAIN, BRAIN-3 and GENERAL CONTROL PROTEIN GCN4

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

1ihq__assembly_1__model_1

1ihq__assembly_1__model_1 | I(q)

1ihq__assembly_1__model_1 | 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

Source Source

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

7. Citations (1)