SAXSdb — 1zup

▼

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

hypothetical protein TM1739

Thermotoga maritima

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9X261_THEMA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 13–315； UniProt 1–303 Author chain B； PDBConstruct 13–315； UniProt 1–303

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	1zup
Deposition date deposition_date	2005-05-31
Structure title title	CRYSTAL STRUCTURE OF A PUTATIVE NUCLEASE WITH A RIBONUCLEASE H-LIKE MOTIF FOLD (TM1739) FROM THERMOTOGA MARITIMA AT 2.20 A RESOLUTION
Keywords keywords	PUTATIVE NUCLEASE, STRUCTURAL GENOMICS, JOINT CENTER FOR STRUCTURAL GENOMICS, JCSG, PROTEIN STRUCTURE INITIATIVE, PSI, HYDROLASE; HYDROLASE
Experimental Method method	X-RAY DIFFRACTION

▼

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.

1zup__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1zup__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1zup__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	34.00 Å
Rg (electron density)	33.08 Å
Total Rg	33.59 Å
Atom count	8698
Residues	1138
Excluded volume	155660 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1zup__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1zup__assembly_2__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1zupa1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamily	c.55.3 — Ribonuclease H-like
Family Family family	c.55.3.11 — TM1739-like

Domain ID domain_id	d1zupa2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d1zupb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamily	c.55.3 — Ribonuclease H-like
Family Family family	c.55.3.11 — TM1739-like

▶

Unit-cell length a length_a	82.433 Å
Unit-cell length b length_b	82.433 Å
Unit-cell length c length_c	234.492 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	16

Space group space_group	P 43 21 2
Space-group number int_tables_number	96
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2299
R_work r_work	0.2280
R_free r_free	0.2660

Description description	hypothetical protein TM1739
Molecular weight formula_weight	36719.9 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	4471

CRYSTAL STRUCTURE OF A PUTATIVE NUCLEASE WITH A RIBONUCLEASE H-LIKE MOTIF FOLD (TM1739) FROM THERMOTOGA MARITIMA AT 2.20 A RESOLUTION

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

hypothetical protein TM1739

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

1zup__assembly_2__model_1

1zup__assembly_2__model_1 | I(q)

1zup__assembly_2__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

7. Citations (1)

Source organism organism	Thermotoga maritima
NCBI taxonomy ID ncbi_taxonomy_id	2336
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	70

CRYSTAL STRUCTURE OF A PUTATIVE NUCLEASE WITH A RIBONUCLEASE H-LIKE MOTIF FOLD (TM1739) FROM THERMOTOGA MARITIMA AT 2.20 A RESOLUTION

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

hypothetical protein TM1739

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

1zup__assembly_2__model_1

1zup__assembly_2__model_1 | I(q)

1zup__assembly_2__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

7. Citations (1)