SAXSdb — 1z85

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

hypothetical protein TM1380

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	CHLORIDE ION × 6 1,2-ETHANEDIOL × 1 water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	CHLORIDE ION × 6 1,2-ETHANEDIOL × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9X1A0_THEMA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 13–234； UniProt 1–222 Author chain B； PDBConstruct 13–234； UniProt 1–222

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	1z85
Deposition date deposition_date	2005-03-29
Structure title title	Crystal structure of a predicted rna methyltransferase (tm1380) from thermotoga maritima msb8 at 2.12 A resolution
Keywords keywords	;Alpha/beta knot fold, structural genomics, Joint Center for Structural Genomics, JCSG, Protein Structure Initiative, PSI, transferase ;; TRANSFERASE
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.

1z85__assembly_2__model_1

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

Download this curve (.dat)

1z85__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1z85__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	25.47 Å
Rg (electron density)	24.63 Å
Total Rg	25.50 Å
Atom count	3341
Residues	426
Excluded volume	60387 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1z85__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1z85__assembly_2__model_1`	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 (4)

Entity 1 Entity 1 polymer

Description description	hypothetical protein TM1380
Molecular weight formula_weight	26741.5 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	3635

MGSDKIHHHHHHMPHLFYGTAQNGEVIFDEREAHHMRVVRLKEGDVIEATDGNGFSYTCILKSLKKKTAAAKIVKVEEKEKEPTEKLSVVVPIGRWERTRFLIEKCVELGVDEIFFHKFERSQHEISLDKAKIVVREAAKQCKRYLFPKVSFLEKLEFSGNVITLDLDASQNLLDANLEGSITVVVGPEGGFSEKERELLRSSTTIVSLGKKILRFETAAILTVGYIALKKQKI

Source Source

Source organism organism	Thermotoga maritima
NCBI taxonomy ID ncbi_taxonomy_id	243274
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 3 Entity 3 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	291

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	1z85A01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	240 — Ribosomal Protein L25; Chain P
Homologous superfamily homologous superfamily	20 — Hypothetical PUA domain-like; domain 1

Domain ID domain_id	1z85A02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1280 — Alpha/beta knot
Homologous superfamily homologous superfamily	10 — SPOUT methyltransferase, trefoil knot domain

Domain ID domain_id	1z85B01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	240 — Ribosomal Protein L25; Chain P
Homologous superfamily homologous superfamily	20 — Hypothetical PUA domain-like; domain 1

Domain ID domain_id	1z85B02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1280 — Alpha/beta knot
Homologous superfamily homologous superfamily	10 — SPOUT methyltransferase, trefoil knot domain

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Unit-cell length a length_a	65.652 Å
Unit-cell length b length_b	82.473 Å
Unit-cell length c length_c	106.264 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	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.120 Å
Low-resolution limit resolution_low	29.320 Å
R factor r_factor	0.1735
R_work r_work	0.1710
R_free r_free	0.2220

Crystal structure of a predicted rna methyltransferase (tm1380) from thermotoga maritima msb8 at 2.12 A resolution

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

hypothetical protein TM1380

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

1z85__assembly_2__model_1

1z85__assembly_2__model_1 | I(q)

1z85__assembly_2__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)

Crystal structure of a predicted rna methyltransferase (tm1380) from thermotoga maritima msb8 at 2.12 A resolution

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

hypothetical protein TM1380

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

1z85__assembly_2__model_1

1z85__assembly_2__model_1 | I(q)

1z85__assembly_2__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)