SAXSdb — 2q6o

▼

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

Hypothetical Protein

Salinispora tropica

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	CHLORIDE ION × 3 S-ADENOSYLMETHIONINE × 3 water × 3	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	CHLORIDE ION × 1 S-ADENOSYLMETHIONINE × 1 water × 1	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 3	CHLORIDE ION × 3 S-ADENOSYLMETHIONINE × 3 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A4X3Q0_9ACTO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–283； UniProt 1–283 Author chain B； PDBConstruct 1–283； UniProt 1–283

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	2q6o
Deposition date deposition_date	2007-06-05
Structure title title	SalL-Y70T with SAM and Cl
Keywords keywords	chlorinase, Y70T mutant SAM and Cl complex, BIOSYNTHETIC PROTEIN; BIOSYNTHETIC PROTEIN
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.

2q6o__assembly_1__model_1

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

Download this curve (.dat)

2q6o__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2q6o__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	28.75 Å
Rg (electron density)	27.70 Å
Total Rg	28.55 Å
Atom count	6129
Residues	807
Excluded volume	109020 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2q6o__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2q6o__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2q6o__assembly_3__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	Hypothetical Protein
Molecular weight formula_weight	30113.2 kDa
Mutation mutation	Y70T
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	4203

MQHNLIAFLSDVGSADEAHALCKGVMYGVAPAATIVDITHDVAPFDVREGALFLADVPHSFPAHTVICATVYPETGTATHTIAVRNEKGQLLVGPNNGLLSFALDASPAVECHEVLSPDVMNQPVTPTWYGKDIVAACAAHLAAGTDLAAVGPRIDPKQIVRLPYASASEVEGGIRGEVVRIDRAFGNVWTNIPTHLIGSMLQDGERLEVKIEALSDTVLELPFCKTFGEVDEGQPLLYLNSRGRLALGLNQSNFIEKWPVVPGDSITVSPRVPDSNLGPVLG

Source Source

Source organism organism	Salinispora tropica
NCBI taxonomy ID ncbi_taxonomy_id	369723
Host organism host_organism	Escherichia coli BL21

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	2

Entity 3 Entity 3 non-polymer

Description description	S-ADENOSYLMETHIONINE
Molecular weight formula_weight	398.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	117

▼

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2q6oa1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.132 — Bacterial fluorinating enzyme, N-terminal domain
Superfamily Superfamily superfamily	c.132.1 — Bacterial fluorinating enzyme, N-terminal domain
Family Family family	c.132.1.0 — automated matches

Domain ID domain_id	d2q6oa2
Class class	b — All beta proteins
Fold Fold fold	b.141 — Bacterial fluorinating enzyme, C-terminal domain
Superfamily Superfamily superfamily	b.141.1 — Bacterial fluorinating enzyme, C-terminal domain
Family Family family	b.141.1.0 — automated matches

Domain ID domain_id	d2q6ob1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.132 — Bacterial fluorinating enzyme, N-terminal domain
Superfamily Superfamily superfamily	c.132.1 — Bacterial fluorinating enzyme, N-terminal domain
Family Family family	c.132.1.0 — automated matches

Domain ID domain_id	d2q6ob2
Class class	b — All beta proteins
Fold Fold fold	b.141 — Bacterial fluorinating enzyme, C-terminal domain
Superfamily Superfamily superfamily	b.141.1 — Bacterial fluorinating enzyme, C-terminal domain
Family Family family	b.141.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id	2q6oA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10790 — S-adenosyl-l-methionine hydroxide adenosyltransferase, N-terminal

Domain ID domain_id	2q6oA02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily	90 — Bacterial fluorinating enzyme like

Domain ID domain_id	2q6oB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10790 — S-adenosyl-l-methionine hydroxide adenosyltransferase, N-terminal

Domain ID domain_id	2q6oB02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily	90 — Bacterial fluorinating enzyme like

▶

Unit-cell length a length_a	111.530 Å
Unit-cell length b length_b	111.530 Å
Unit-cell length c length_c	47.610 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 3
Space-group number int_tables_number	143
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	19.270 Å
R factor r_factor	0.2687
R_work r_work	0.2663
R_free r_free	0.3130

SalL-Y70T with SAM and Cl

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

Hypothetical Protein

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

2q6o__assembly_1__model_1

2q6o__assembly_1__model_1 | I(q)

2q6o__assembly_1__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 (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) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

SalL-Y70T with SAM and Cl

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

Hypothetical Protein

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

2q6o__assembly_1__model_1

2q6o__assembly_1__model_1 | I(q)

2q6o__assembly_1__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 (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) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)