3r6q

A triclinic-lattice structure of aspartase from Bacillus sp. YM55-1

Method: X-RAY DIFFRACTION

▼

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

Aspartase

Bacillus sp.

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	CALCIUM ION × 2 water × 4	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 4	CALCIUM ION × 2 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9LCC6_9BACI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–468； UniProt 1–468 Author chain B； PDBConstruct 1–468； UniProt 1–468 Author chain C； PDBConstruct 1–468； UniProt 1–468 Author chain D； PDBConstruct 1–468； UniProt 1–468 Author chain E； PDBConstruct 1–468； UniProt 1–468 Author chain F； PDBConstruct 1–468； UniProt 1–468 Author chain G； PDBConstruct 1–468； UniProt 1–468 Author chain H； PDBConstruct 1–468； UniProt 1–468

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	3r6q
Deposition date deposition_date	2011-03-22
Structure title title	A triclinic-lattice structure of aspartase from Bacillus sp. YM55-1
Keywords keywords	aspartase, aspartate ammonia lyase, lyase; LYASE
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.

3r6q__assembly_1__model_1

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

Download this curve (.dat)

3r6q__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3r6q__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	36.59 Å
Rg (electron density)	35.94 Å
Total Rg	36.44 Å
Atom count	14274
Residues	1848
Excluded volume	255280 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3r6q__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3r6q__assembly_2__model_1`	tetrameric （4）	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	Aspartase
Molecular weight formula_weight	51695.0 kDa
EC 编号 ec_number	4.3.1.1
Source method src_method	man
Copy count entity_count	8

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G,H
Atom count atom_count	29459

MNTDVRIEKDFLGEKEIPKDAYYGVQTIRATENFPITGYRIHPELIKSLGIVKKSAALANMEVGLLDKEVGQYIVKAADEVIEGKWNDQFIVDPIQGGAGTSINMNANEVIANRALELMGEEKGNYSKISPNSHVNMSQSTNDAFPTATHIAVLSLLNQLIETTKYMQQEFMKKADEFAGVIKMGRTHLQDAVPILLGQEFEAYARVIARDIERIANTRNNLYDINMGATAVGTGLNADPEYISIVTEHLAKFSGHPLRSAQHLVDATQNTDCYTEVSSALKVCMINMSKIANDLRLMASGPRAGLSEIVLPARQPGSSIMPGKVNPVMPEVMNQVAFQVFGNDLTITSASEAGQFELNVMEPVLFFNLIQSISIMTNVFKSFTENCLKGIKANEERMKEYVEKSIGIITAINPHVGYETAAKLAREAYLTGESIRELCIKYGVLTEEQLNEILNPYEMIHPGIAGRK

Source Source

Source organism organism	Bacillus sp.
NCBI taxonomy ID ncbi_taxonomy_id	96471
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	888

▼

6. Fold Classification (SCOP + CATH) 32 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d3r6qa_
Class class	a — All alpha proteins
Fold Fold fold	a.127 — L-aspartase-like
Superfamily Superfamily superfamily	a.127.1 — L-aspartase-like
Family Family family	a.127.1.1 — L-aspartase/fumarase

Domain ID domain_id	d3r6qb_
Class class	a — All alpha proteins
Fold Fold fold	a.127 — L-aspartase-like
Superfamily Superfamily superfamily	a.127.1 — L-aspartase-like
Family Family family	a.127.1.1 — L-aspartase/fumarase

Domain ID domain_id	d3r6qc_
Class class	a — All alpha proteins
Fold Fold fold	a.127 — L-aspartase-like
Superfamily Superfamily superfamily	a.127.1 — L-aspartase-like
Family Family family	a.127.1.1 — L-aspartase/fumarase

Domain ID domain_id	d3r6qd_
Class class	a — All alpha proteins
Fold Fold fold	a.127 — L-aspartase-like
Superfamily Superfamily superfamily	a.127.1 — L-aspartase-like
Family Family family	a.127.1.1 — L-aspartase/fumarase

Domain ID domain_id	d3r6qe_
Class class	a — All alpha proteins
Fold Fold fold	a.127 — L-aspartase-like
Superfamily Superfamily superfamily	a.127.1 — L-aspartase-like
Family Family family	a.127.1.1 — L-aspartase/fumarase

Domain ID domain_id	d3r6qf_
Class class	a — All alpha proteins
Fold Fold fold	a.127 — L-aspartase-like
Superfamily Superfamily superfamily	a.127.1 — L-aspartase-like
Family Family family	a.127.1.1 — L-aspartase/fumarase

Domain ID domain_id	d3r6qg_
Class class	a — All alpha proteins
Fold Fold fold	a.127 — L-aspartase-like
Superfamily Superfamily superfamily	a.127.1 — L-aspartase-like
Family Family family	a.127.1.1 — L-aspartase/fumarase

Domain ID domain_id	d3r6qh_
Class class	a — All alpha proteins
Fold Fold fold	a.127 — L-aspartase-like
Superfamily Superfamily superfamily	a.127.1 — L-aspartase-like
Family Family family	a.127.1.1 — L-aspartase/fumarase

CATH v4.4 (24 domains)

Domain ID domain_id	3r6qA01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	275 — Fumarase C; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (N-terminal domain)

Domain ID domain_id	3r6qA02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	200 — Fumarase C; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (Central domain)

Domain ID domain_id	3r6qA03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	40 — Ribonucleotide Reductase Protein R1; domain 1
Homologous superfamily homologous superfamily	30 — Fumarase/aspartase (C-terminal domain)

Domain ID domain_id	3r6qB01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	275 — Fumarase C; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (N-terminal domain)

Domain ID domain_id	3r6qB02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	200 — Fumarase C; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (Central domain)

Domain ID domain_id	3r6qB03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	40 — Ribonucleotide Reductase Protein R1; domain 1
Homologous superfamily homologous superfamily	30 — Fumarase/aspartase (C-terminal domain)

Domain ID domain_id	3r6qC01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	275 — Fumarase C; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (N-terminal domain)

Domain ID domain_id	3r6qC02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	200 — Fumarase C; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (Central domain)

Domain ID domain_id	3r6qC03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	40 — Ribonucleotide Reductase Protein R1; domain 1
Homologous superfamily homologous superfamily	30 — Fumarase/aspartase (C-terminal domain)

Domain ID domain_id	3r6qD01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	275 — Fumarase C; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (N-terminal domain)

Domain ID domain_id	3r6qD02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	200 — Fumarase C; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (Central domain)

Domain ID domain_id	3r6qD03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	40 — Ribonucleotide Reductase Protein R1; domain 1
Homologous superfamily homologous superfamily	30 — Fumarase/aspartase (C-terminal domain)

Domain ID domain_id	3r6qE01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	275 — Fumarase C; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (N-terminal domain)

Domain ID domain_id	3r6qE02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	200 — Fumarase C; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (Central domain)

Domain ID domain_id	3r6qE03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	40 — Ribonucleotide Reductase Protein R1; domain 1
Homologous superfamily homologous superfamily	30 — Fumarase/aspartase (C-terminal domain)

Domain ID domain_id	3r6qF01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	275 — Fumarase C; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (N-terminal domain)

Domain ID domain_id	3r6qF02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	200 — Fumarase C; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (Central domain)

Domain ID domain_id	3r6qF03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	40 — Ribonucleotide Reductase Protein R1; domain 1
Homologous superfamily homologous superfamily	30 — Fumarase/aspartase (C-terminal domain)

Domain ID domain_id	3r6qG01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	275 — Fumarase C; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (N-terminal domain)

Domain ID domain_id	3r6qG02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	200 — Fumarase C; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (Central domain)

Domain ID domain_id	3r6qG03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	40 — Ribonucleotide Reductase Protein R1; domain 1
Homologous superfamily homologous superfamily	30 — Fumarase/aspartase (C-terminal domain)

Domain ID domain_id	3r6qH01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	275 — Fumarase C; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (N-terminal domain)

Domain ID domain_id	3r6qH02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	200 — Fumarase C; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Fumarase/aspartase (Central domain)

Domain ID domain_id	3r6qH03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	40 — Ribonucleotide Reductase Protein R1; domain 1
Homologous superfamily homologous superfamily	30 — Fumarase/aspartase (C-terminal domain)

▶

Unit-cell length a length_a	75.594 Å
Unit-cell length b length_b	118.194 Å
Unit-cell length c length_c	140.226 Å
Unit-cell angle α angle_alpha	89.85 °
Unit-cell angle β angle_beta	89.59 °
Unit-cell angle γ angle_gamma	76.51 °
Molecules per unit cell Z z_pdb	8

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

Resolution resolution	2.400 Å
Low-resolution limit resolution_low	39.560 Å
R factor r_factor	0.2014
R_work r_work	0.1987
R_free r_free	0.2528

A triclinic-lattice structure of aspartase from Bacillus sp. YM55-1

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

Aspartase

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

3r6q__assembly_1__model_1

3r6q__assembly_1__model_1 | I(q)

3r6q__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) 32 domains

SCOP 2.08 (8 domains)

CATH v4.4 (24 domains)

7. Citations (1)

A triclinic-lattice structure of aspartase from Bacillus sp. YM55-1

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

Aspartase

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

3r6q__assembly_1__model_1

3r6q__assembly_1__model_1 | I(q)

3r6q__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) 32 domains

SCOP 2.08 (8 domains)

CATH v4.4 (24 domains)

7. Citations (1)