SAXSdb — 2apj

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

Putative Esterase

Arabidopsis thaliana

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	O49483_ARATH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–260； UniProt 1–260 Author chain B； PDBConstruct 1–260； UniProt 1–260 Author chain C； PDBConstruct 1–260； UniProt 1–260 Author chain D； PDBConstruct 1–260； UniProt 1–260

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	2apj
Deposition date deposition_date	2005-08-16
Structure title title	X-Ray Structure of Protein from Arabidopsis Thaliana AT4G34215 at 1.6 Angstrom Resolution
Keywords keywords	;AT4G34215, Putative Esterase, SGNH-HYDROLASE SUPERFAMILY, CARBOHYDRATE ESTERASE FAMILY 6, STRUCTURAL GENOMICS, PROTEIN STRUCTURE INITIATIVE, PSI, CESG, Center for Eukaryotic Structural Genomics, 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.

2apj__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2apj__assembly_3__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2apj__assembly_3__model_1 | P(r) · Pending

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

Rg（Guinier）	18.25 Å
Rg (electron density)	16.97 Å
Total Rg	17.89 Å
Atom count	1864
Residues	240
Excluded volume	33014 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2apj__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2apj__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2apj__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`2apj__assembly_4__model_1`	monomeric （1）	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 (2)

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2apja1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.23 — Flavodoxin-like
Superfamily Superfamily superfamily	c.23.10 — SGNH hydrolase
Family Family family	c.23.10.7 — Putative acetylxylan esterase-like

Domain ID domain_id	d2apjb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.23 — Flavodoxin-like
Superfamily Superfamily superfamily	c.23.10 — SGNH hydrolase
Family Family family	c.23.10.7 — Putative acetylxylan esterase-like

Domain ID domain_id	d2apjc_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.23 — Flavodoxin-like
Superfamily Superfamily superfamily	c.23.10 — SGNH hydrolase
Family Family family	c.23.10.7 — Putative acetylxylan esterase-like

Domain ID domain_id	d2apjd_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.23 — Flavodoxin-like
Superfamily Superfamily superfamily	c.23.10 — SGNH hydrolase
Family Family family	c.23.10.7 — Putative acetylxylan esterase-like

CATH v4.4 (4 domains)

Domain ID domain_id	2apjA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1110 — SGNH hydrolase

Domain ID domain_id	2apjB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1110 — SGNH hydrolase

Domain ID domain_id	2apjC00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1110 — SGNH hydrolase

Domain ID domain_id	2apjD00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1110 — SGNH hydrolase

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Unit-cell length a length_a	40.688 Å
Unit-cell length b length_b	71.918 Å
Unit-cell length c length_c	93.213 Å
Unit-cell angle α angle_alpha	108.16 °
Unit-cell angle β angle_beta	93.25 °
Unit-cell angle γ angle_gamma	90.40 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	1.600 Å
Low-resolution limit resolution_low	35.852 Å
R factor r_factor	0.1475
R_work r_work	0.1456
R_free r_free	0.1830

Description description	Putative Esterase
Molecular weight formula_weight	28546.4 kDa
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	9132

X-Ray Structure of Protein from Arabidopsis Thaliana AT4G34215 at 1.6 Angstrom Resolution

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

Putative Esterase

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

2apj__assembly_3__model_1

2apj__assembly_3__model_1 | I(q)

2apj__assembly_3__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	Arabidopsis thaliana
Common name common_name	thale cress
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1611

X-Ray Structure of Protein from Arabidopsis Thaliana AT4G34215 at 1.6 Angstrom Resolution

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

Putative Esterase

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

2apj__assembly_3__model_1

2apj__assembly_3__model_1 | I(q)

2apj__assembly_3__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)