SAXSdb — 1h2h

▼

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

HYPOTHETICAL PROTEIN TM1643

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	NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9X1X6
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–241； UniProt 1–241

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	1h2h
Deposition date deposition_date	2002-08-08
Structure title title	Crystal structure of TM1643
Keywords keywords	;STRUCTURAL GENOMICS, UNKNOWN FUNCTION, POSSIBLE NAD-DEPENDENT OXIDOREDUCTASE, PSI, PROTEIN STRUCTURE INITIATIVE, NESG, NORTHEAST STRUCTURAL GENOMICS CONSORTIUM ;; STRUCTURAL GENOMICS, UNKNOWN FUNCTION
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.

1h2h__assembly_1__model_1

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

Download this curve (.dat)

1h2h__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1h2h__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.24 Å
Rg (electron density)	23.12 Å
Total Rg	23.99 Å
Atom count	3724
Residues	458
Excluded volume	67472 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1h2h__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	HYPOTHETICAL PROTEIN TM1643
Molecular weight formula_weight	26858.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1902

MTVLIIGMGNIGKKLVELGNFEKIYAYDRISKDIPGVVRLDEFQVPSDVSTVVECASPEAVKEYSLQILKNPVNYIIISTSAFADEVFRERFFSELKNSPARVFFPSGAIGGLDVLSSIKDFVKNVRIETIKPPKSLGLDLKGKTVVFEGSVEEASKLFPRNINVASTIGLIVGFEKVKVTIVADPAMDHNIHIVRISSAIGNYEFKIENIPSPENPKTSMLTVYSILRTLRNLESKIIFG

Source Source

Source organism organism	THERMOTOGA MARITIMA
NCBI taxonomy ID ncbi_taxonomy_id	2336
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 non-polymer

Description description	NICOTINAMIDE-ADENINE-DINUCLEOTIDE
Molecular weight formula_weight	663.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	40

▼

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1h2ha3
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.81 — FwdE/GAPDH domain-like
Superfamily Superfamily superfamily	d.81.1 — Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain
Family Family family	d.81.1.3 — Dihydrodipicolinate reductase-like

Domain ID domain_id	d1h2ha4
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family family	c.2.1.3 — Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain

CATH v4.4 (2 domains)

Domain ID domain_id	1h2hA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	720 — NAD(P)-binding Rossmann-like Domain

Domain ID domain_id	1h2hA02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	360 — Dihydrodipicolinate Reductase; domain 2
Homologous superfamily homologous superfamily	10 — Dihydrodipicolinate Reductase; domain 2

▶

Unit-cell length a length_a	63.196 Å
Unit-cell length b length_b	63.196 Å
Unit-cell length c length_c	125.673 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 41 21 2
Space-group number int_tables_number	92
Crystal system crystal_system	—

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	9.990 Å
R factor r_factor	0.2260
R_work r_work	0.2260
R_free r_free	0.2910

Crystal structure of TM1643

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

HYPOTHETICAL PROTEIN TM1643

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

1h2h__assembly_1__model_1

1h2h__assembly_1__model_1 | I(q)

1h2h__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

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Crystal structure of TM1643

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

HYPOTHETICAL PROTEIN TM1643

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

1h2h__assembly_1__model_1

1h2h__assembly_1__model_1 | I(q)

1h2h__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

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)