3b8l

CRYSTAL STRUCTURE OF A PUTATIVE AROMATIC RING HYDROXYLASE (SARO_3538) FROM NOVOSPHINGOBIUM AROMATICIVORANS DSM AT 1.75 A RESOLUTION

Method: X-RAY DIFFRACTION

▼

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

Uncharacterized protein

Novosphingobium aromaticivorans

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	GLYCEROL × 5 DI(HYDROXYETHYL)ETHER × 1 water × 3	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 3	GLYCEROL × 6 CHLORIDE ION × 1 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A4XEN7_NOVAD
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 20–163； UniProt 1–144 Author chain B； PDBConstruct 20–163； UniProt 1–144 Author chain C； PDBConstruct 20–163； UniProt 1–144 Author chain D； PDBConstruct 20–163； UniProt 1–144 Author chain E； PDBConstruct 20–163； UniProt 1–144 Author chain F； PDBConstruct 20–163； UniProt 1–144

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	3b8l
Deposition date deposition_date	2007-11-01
Structure title title	CRYSTAL STRUCTURE OF A PUTATIVE AROMATIC RING HYDROXYLASE (SARO_3538) FROM NOVOSPHINGOBIUM AROMATICIVORANS DSM AT 1.75 A RESOLUTION
Keywords keywords	;PUTATIVE AROMATIC RING HYDROXYLASE, STRUCTURAL GENOMICS, JOINT CENTER FOR STRUCTURAL GENOMICS, JCSG, PROTEIN STRUCTURE INITIATIVE, PSI-2, OXIDOREDUCTASE ;; OXIDOREDUCTASE
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.

3b8l__assembly_1__model_1

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

Download this curve (.dat)

3b8l__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3b8l__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.38 Å
Rg (electron density)	21.34 Å
Total Rg	21.99 Å
Atom count	3360
Residues	414
Excluded volume	59978 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3b8l__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3b8l__assembly_2__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 (5)

Entity 1 Entity 1 polymer

Description description	Uncharacterized protein
Molecular weight formula_weight	18640.7 kDa
Source method src_method	man
Copy count entity_count	6

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F
Atom count atom_count	7917

MGSDKIHHHHHHENLYFQGMQCPIEDRLAIQDLMIAYAHAVDTVSDIDAVLDVFTEDAVFDLSGIGLTPQVGHAGIREFFTNVFANMSHHAHYLTNFAVTGYEGDTASMRAYVIGMGVGKDGRAVTVNGRYFFEVRRTEKGWKATRYTMDFLMPLSGTLDNAK

Source Source

Source organism organism	Novosphingobium aromaticivorans
NCBI taxonomy ID ncbi_taxonomy_id	279238
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

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

Entity 3 Entity 3 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 4 Entity 4 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	968

▼

6. Fold Classification (SCOP + CATH) 13 domains

SCOP 2.08 (7 domains)

Domain ID domain_id	d3b8la1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.17 — Cystatin-like
Superfamily Superfamily superfamily	d.17.4 — NTF2-like
Family Family family	d.17.4.28 — BaiE/LinA-like

Domain ID domain_id	d3b8la2
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	d3b8lb_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.17 — Cystatin-like
Superfamily Superfamily superfamily	d.17.4 — NTF2-like
Family Family family	d.17.4.28 — BaiE/LinA-like

Domain ID domain_id	d3b8lc_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.17 — Cystatin-like
Superfamily Superfamily superfamily	d.17.4 — NTF2-like
Family Family family	d.17.4.28 — BaiE/LinA-like

Domain ID domain_id	d3b8ld_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.17 — Cystatin-like
Superfamily Superfamily superfamily	d.17.4 — NTF2-like
Family Family family	d.17.4.28 — BaiE/LinA-like

Domain ID domain_id	d3b8le_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.17 — Cystatin-like
Superfamily Superfamily superfamily	d.17.4 — NTF2-like
Family Family family	d.17.4.28 — BaiE/LinA-like

Domain ID domain_id	d3b8lf_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.17 — Cystatin-like
Superfamily Superfamily superfamily	d.17.4 — NTF2-like
Family Family family	d.17.4.28 — BaiE/LinA-like

CATH v4.4 (6 domains)

Domain ID domain_id	3b8lA01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	450 — Nuclear Transport Factor 2; Chain: A,
Homologous superfamily homologous superfamily	50 —

Domain ID domain_id	3b8lB01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	450 — Nuclear Transport Factor 2; Chain: A,
Homologous superfamily homologous superfamily	50 —

Domain ID domain_id	3b8lC01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	450 — Nuclear Transport Factor 2; Chain: A,
Homologous superfamily homologous superfamily	50 —

Domain ID domain_id	3b8lD01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	450 — Nuclear Transport Factor 2; Chain: A,
Homologous superfamily homologous superfamily	50 —

Domain ID domain_id	3b8lE01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	450 — Nuclear Transport Factor 2; Chain: A,
Homologous superfamily homologous superfamily	50 —

Domain ID domain_id	3b8lF01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	450 — Nuclear Transport Factor 2; Chain: A,
Homologous superfamily homologous superfamily	50 —

▶

Unit-cell length a length_a	95.850 Å
Unit-cell length b length_b	95.850 Å
Unit-cell length c length_c	232.300 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	48

Space group space_group	P 41 21 2
Space-group number int_tables_number	92
Crystal system crystal_system	—

Resolution resolution	1.750 Å
Low-resolution limit resolution_low	29.540 Å
R factor r_factor	0.1690
R_work r_work	0.1670
R_free r_free	0.1990

CRYSTAL STRUCTURE OF A PUTATIVE AROMATIC RING HYDROXYLASE (SARO_3538) FROM NOVOSPHINGOBIUM AROMATICIVORANS DSM AT 1.75 A RESOLUTION

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

Uncharacterized 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

3b8l__assembly_1__model_1

3b8l__assembly_1__model_1 | I(q)

3b8l__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 (5)

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 water

6. Fold Classification (SCOP + CATH) 13 domains

SCOP 2.08 (7 domains)

CATH v4.4 (6 domains)

7. Citations (1)

CRYSTAL STRUCTURE OF A PUTATIVE AROMATIC RING HYDROXYLASE (SARO_3538) FROM NOVOSPHINGOBIUM AROMATICIVORANS DSM AT 1.75 A RESOLUTION

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

Uncharacterized 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

3b8l__assembly_1__model_1

3b8l__assembly_1__model_1 | I(q)

3b8l__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 (5)

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 water

6. Fold Classification (SCOP + CATH) 13 domains

SCOP 2.08 (7 domains)

CATH v4.4 (6 domains)

7. Citations (1)