SAXSdb — 3gn6

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

CT0912, ORFan protein with a ferredoxin-like domain repeat

Chlorobium tepidum TLS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	MAGNESIUM ION × 2 GLYCEROL × 2 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	MAGNESIUM ION × 1 GLYCEROL × 2 DI(HYDROXYETHYL)ETHER × 1 water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	MAGNESIUM ION × 1 GLYCEROL × 5 water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	MAGNESIUM ION × 1 GLYCEROL × 2 NONAETHYLENE GLYCOL × 1 water × 1	Consistent with protein count
5	Protein homooligomer	Homooligomer	Protein 2	MAGNESIUM ION × 3 GLYCEROL × 4 DI(HYDROXYETHYL)ETHER × 1 water × 2	Consistent with protein count
6	Protein homooligomer	Homooligomer	Protein 2	MAGNESIUM ION × 2 GLYCEROL × 7 NONAETHYLENE GLYCOL × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8KDY2_CHLTE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–321； UniProt 1–320 Author chain B； PDBConstruct 2–321； UniProt 1–320 Author chain C； PDBConstruct 2–321； UniProt 1–320 Author chain D； PDBConstruct 2–321； UniProt 1–320

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	3gn6
Deposition date deposition_date	2009-03-16
Structure title title	Crystal structure of CT0912, ORFan protein from Chlorobium tepidum with a ferredoxin-like domain repeat (NP_661805.1) from CHLOROBIUM TEPIDUM TLS at 1.80 A resolution
Keywords keywords	;NP_661805.1, CT0912, ORFan protein from Chlorobium tepidum with a ferredoxin-like domain repeat, Structural Genomics, Joint Center for Structural Genomics, JCSG, Protein Structure Initiative, PSI-2, unknown function ;; structural genomics, unknown function
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.

3gn6__assembly_1__model_1

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

Download this curve (.dat)

3gn6__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3gn6__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.73 Å
Rg (electron density)	18.63 Å
Total Rg	19.53 Å
Atom count	2298
Residues	288
Excluded volume	40847 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3gn6__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3gn6__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`3gn6__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`3gn6__assembly_4__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`3gn6__assembly_5__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
6	1	`3gn6__assembly_6__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 (6)

Entity 1 Entity 1 polymer

Description description	CT0912, ORFan protein with a ferredoxin-like domain repeat
Molecular weight formula_weight	35520.9 kDa
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	10635

GMTGLSQSQASPMQIQPGNAAFNPWTDAALDTIRDVNQALTLYAEMRVVPAHHDAFLAAIDTVSAKLRVLPGFLSLALKQMSGDSTMVKNYPETYKGVLATAYLDGVAAGTQPYFYNLFVRFADGRAARAAGFEALFETHIHPLLHAMAPRGGDGPELLAYRAVLQSVVAGDRHAIYRGAEEIRSFLRRPVELPERETVTVENHVMVPEDKHAAWEPQVAILLQVAQDTFEPQDEPSGVGLPGARDNRYYRKALSTEILRNAHADGGLRAYIMHGVWESVWDHENSHLDPRFLAAAGPVGAAAVVGPVEPFYLTRRLVVAD

Source Source

Source organism organism	Chlorobium tepidum TLS
NCBI taxonomy ID ncbi_taxonomy_id	194439
Host organism host_organism	Escherichia Coli

Entity 2 Entity 2 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	5

Entity 3 Entity 3 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	11

Entity 4 Entity 4 non-polymer

Description description	DI(HYDROXYETHYL)ETHER
Molecular weight formula_weight	106.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	NONAETHYLENE GLYCOL
Molecular weight formula_weight	414.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1045

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Unit-cell length a length_a	121.268 Å
Unit-cell length b length_b	210.205 Å
Unit-cell length c length_c	57.984 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 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	1.800 Å
Low-resolution limit resolution_low	46.829 Å
R factor r_factor	0.1640
R_work r_work	0.1630
R_free r_free	0.1920

Crystal structure of CT0912, ORFan protein from Chlorobium tepidum with a ferredoxin-like domain repeat (NP_661805.1) from CHLOROBIUM TEPIDUM TLS at 1.80 A resolution

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

CT0912, ORFan protein with a ferredoxin-like domain repeat

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

3gn6__assembly_1__model_1

3gn6__assembly_1__model_1 | I(q)

3gn6__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 (6)

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 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

7. Citations (1)

Crystal structure of CT0912, ORFan protein from Chlorobium tepidum with a ferredoxin-like domain repeat (NP_661805.1) from CHLOROBIUM TEPIDUM TLS at 1.80 A resolution

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

CT0912, ORFan protein with a ferredoxin-like domain repeat

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

3gn6__assembly_1__model_1

3gn6__assembly_1__model_1 | I(q)

3gn6__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 (6)

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 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

7. Citations (1)