1tr0

Crystal Structure of a boiling stable protein SP1

Method: X-RAY DIFFRACTION

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

stable protein 1

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 12	GLYCEROL × 12 water × 12	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 12	GLYCEROL × 12 water × 12	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9AR79_POPTN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–108； UniProt 1–108 Author chain B； PDBConstruct 1–108； UniProt 1–108 Author chain C； PDBConstruct 1–108； UniProt 1–108 Author chain D； PDBConstruct 1–108； UniProt 1–108 Author chain E； PDBConstruct 1–108； UniProt 1–108 Author chain F； PDBConstruct 1–108； UniProt 1–108 Author chain G； PDBConstruct 1–108； UniProt 1–108 Author chain H； PDBConstruct 1–108； UniProt 1–108 Author chain I； PDBConstruct 1–108； UniProt 1–108 Author chain J； PDBConstruct 1–108； UniProt 1–108 Author chain K； PDBConstruct 1–108； UniProt 1–108 Author chain L； PDBConstruct 1–108； UniProt 1–108 Author chain M； PDBConstruct 1–108； UniProt 1–108 Author chain N； PDBConstruct 1–108； UniProt 1–108 Author chain O； PDBConstruct 1–108； UniProt 1–108 Author chain P； PDBConstruct 1–108； UniProt 1–108 Author chain R； PDBConstruct 1–108； UniProt 1–108 Author chain S； PDBConstruct 1–108； UniProt 1–108 Author chain T； PDBConstruct 1–108； UniProt 1–108 Author chain U； PDBConstruct 1–108； UniProt 1–108 Author chain V； PDBConstruct 1–108； UniProt 1–108 Author chain W； PDBConstruct 1–108； UniProt 1–108 Author chain X； PDBConstruct 1–108； UniProt 1–108 Author chain Y； PDBConstruct 1–108； UniProt 1–108

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	1tr0
Deposition date deposition_date	2004-06-18
Structure title title	Crystal Structure of a boiling stable protein SP1
Keywords keywords	PLANT PROTEIN; PLANT 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.

1tr0__assembly_1__model_1

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

Download this curve (.dat)

1tr0__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1tr0__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	36.85 Å
Rg (electron density)	35.72 Å
Total Rg	36.30 Å
Atom count	10428
Residues	1272
Excluded volume	185740 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1tr0__assembly_1__model_1`	dodecameric （12）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1tr0__assembly_2__model_1`	dodecameric （12）	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 (3)

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6. Fold Classification (SCOP + CATH) 48 domains

SCOP 2.08 (24 domains)

Domain ID domain_id	d1tr0a_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0b_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0c_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0d_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0e_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0f_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0g_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0h_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0i_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0j_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0k_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0l_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0m_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0n_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0o_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0p_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0r_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0s_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0t_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0u_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0v_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0w_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0x_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

Domain ID domain_id	d1tr0y_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.4 — Dimeric alpha+beta barrel
Family Family family	d.58.4.4 — Plant stress-induced protein

CATH v4.4 (24 domains)

Domain ID domain_id	1tr0A00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0B00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0C00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0D00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0E00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0F00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0G00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0H00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0I00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0J00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0K00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0L00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0M00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0N00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0O00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0P00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0R00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0S00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0T00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0U00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0V00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0W00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0X00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

Domain ID domain_id	1tr0Y00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	100 —

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Unit-cell length a length_a	97.028 Å
Unit-cell length b length_b	94.750 Å
Unit-cell length c length_c	168.029 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.11 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	48

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	1.800 Å
Low-resolution limit resolution_low	48.500 Å
R factor r_factor	0.1645
R_work r_work	0.1623
R_free r_free	0.2019

Description description	stable protein 1
Molecular weight formula_weight	12423.0 kDa
Source method src_method	nat
Copy count entity_count	24

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,R,S,T,U,V,W,X,Y
Atom count atom_count	24095

Crystal Structure of a boiling stable protein SP1

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

stable protein 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

1tr0__assembly_1__model_1

1tr0__assembly_1__model_1 | I(q)

1tr0__assembly_1__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 48 domains

SCOP 2.08 (24 domains)

CATH v4.4 (24 domains)

7. Citations (1)

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	24

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	3179

Crystal Structure of a boiling stable protein SP1

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

stable protein 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

1tr0__assembly_1__model_1

1tr0__assembly_1__model_1 | I(q)

1tr0__assembly_1__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 48 domains

SCOP 2.08 (24 domains)

CATH v4.4 (24 domains)

7. Citations (1)