5a6t

1.65 A resolution Sulphite inhibited Sporosarcina pasteurii urease

Method: X-RAY DIFFRACTION

▼

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

UREASE SUBUNIT GAMMA

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 9	UREASE SUBUNIT BETA × 3 （P41021） UREASE SUBUNIT ALPHA × 3 （P41020） 1,2-ETHANEDIOL × 21 SULFATE ION × 3 NICKEL (II) ION × 6 SULFITE ION × 3 water × 9	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	URE3_SPOPA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–100； UniProt 1–100

UREASE SUBUNIT BETA

OrganismNot specified

UniProt P41021

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 9	UREASE SUBUNIT GAMMA × 3 （P41022） UREASE SUBUNIT ALPHA × 3 （P41020） 1,2-ETHANEDIOL × 21 SULFATE ION × 3 NICKEL (II) ION × 6 SULFITE ION × 3 water × 9	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	URE2_SPOPA
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–126； UniProt 1–126

UREASE SUBUNIT ALPHA

OrganismNot specified

UniProt P41020

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 9	UREASE SUBUNIT GAMMA × 3 （P41022） UREASE SUBUNIT BETA × 3 （P41021） 1,2-ETHANEDIOL × 21 SULFATE ION × 3 NICKEL (II) ION × 6 SULFITE ION × 3 water × 9	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	URE1_SPOPA
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–570； UniProt 1–569

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	5a6t
Deposition date deposition_date	2015-07-01
Structure title title	1.65 A resolution Sulphite inhibited Sporosarcina pasteurii urease
Keywords keywords	HYDROLASE, UREASE, NICKEL, METALLOENZYME, SULFITE; HYDROLASE
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.

5a6t__assembly_1__model_1

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

Download this curve (.dat)

5a6t__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5a6t__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	39.37 Å
Rg (electron density)	38.47 Å
Total Rg	38.83 Å
Atom count	18255
Residues	2370
Excluded volume	324280 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5a6t__assembly_1__model_1`	nonameric （9）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (8)

Entity 1 Entity 1 polymer

Description description	UREASE SUBUNIT GAMMA
Molecular weight formula_weight	11134.9 kDa
EC 编号 ec_number	3.5.1.5
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	6863

MHLNPAEKEKLQIFLASELALKRKARGLKLNYPEAVAIITSFIMEGARDGKTVAMLMEEGKHVLTRDDVMEGVPEMIDDIQAEATFPDGTKLVTVHNPIS

Entity 2 Entity 2 polymer

Description description	UREASE SUBUNIT BETA
Molecular weight formula_weight	13975.5 kDa
EC 编号 ec_number	3.5.1.5
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MSNNNYIVPGEYRVAEGEIEINAGREKTTIRVSNTGDRPIQVGSHIHFVEVNKELLFDRAEGIGRRLNIPSGTAARFEPGEEMEVELTELGGNREVFGISDLTNGSVDNKELILQRAKELGYKGVE

Entity 3 Entity 3 polymer

Description description	UREASE SUBUNIT ALPHA
Molecular weight formula_weight	61575.6 kDa
EC 编号 ec_number	3.5.1.5
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MKINRQQYAESYGPTVGDQVRLADTDLWIEVEKDYTTYGDEANFGGGKVLREGMGENGTYTRTENVLDLLLTNALILDYTGIYKADIGVKDGYIVGIGKGGNPDIMDGVTPNMIVGTATEVIAAEGKIVTAGGIDTHVHFINPDQVDVALANGITTLFGGGTGPAEGSKATTVTPGPWNIEKMLKSTEGLPINVGILGKGHGSSIAPIMEQIDAGAAGLKIHEDWGATPASIDRSLTVADEADVQVAIHSDTLNEAGFLEDTLRAINGRVIHSFHVEGAGGGHAPDIMAMAGHPNVLPSSTNPTRPFTVNTIDEHLDMLMVCHHLKQNIPEDVAFADSRIRPETIAAEDILHDLGIISMMSTDALAMGRAGEMVLRTWQTADKMKKQRGPLAEEKNGSDNFRAKRYVSKYTINPAIAQGIAHEVGSIEEGKFADLVLWEPKFFGVKADRVIKGGIIAYAQIGDPSASIPTPQPVMGRRMYGTVGDLIHDTNITFMSKSSIQQGVPAKLGLKRRIGTVKNCRNIGKKDMKWNDVTTDIDINPETYEVKVDGEVLTCEPVKELPMAQRYFLF

Entity 4 Entity 4 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	7

Entity 5 Entity 5 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 non-polymer

Description description	NICKEL (II) ION
Molecular weight formula_weight	58.7 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 7 Entity 7 non-polymer

Description description	SULFITE ION
Molecular weight formula_weight	80.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 8 Entity 8 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	635

▼

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d5a6ta_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.8 — Urease, gamma-subunit
Superfamily Superfamily superfamily	d.8.1 — Urease, gamma-subunit
Family Family family	d.8.1.1 — Urease, gamma-subunit

Domain ID domain_id	d5a6tb_
Class class	b — All beta proteins
Fold Fold fold	b.85 — beta-clip
Superfamily Superfamily superfamily	b.85.3 — Urease, beta-subunit
Family Family family	b.85.3.1 — Urease, beta-subunit

CATH v4.4 (4 domains)

Domain ID domain_id	5a6tA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	280 — Urease; subunit A
Homologous superfamily homologous superfamily	10 — Urease, gamma-like subunit

Domain ID domain_id	5a6tB00
Class class	2 — Mainly Beta
Architecture architecture	10 — Ribbon
Topology topology	150 — Urease, subunit B
Homologous superfamily homologous superfamily	10 — Urease, beta subunit

Domain ID domain_id	5a6tC01
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	40 — Urease, subunit C; domain 1
Homologous superfamily homologous superfamily	10 — Urease, subunit C, domain 1

Domain ID domain_id	5a6tC02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	140 — Metal-dependent hydrolases

▶

Unit-cell length a length_a	131.262 Å
Unit-cell length b length_b	131.262 Å
Unit-cell length c length_c	189.072 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	12

Space group space_group	P 63 2 2
Space-group number int_tables_number	182
Crystal system crystal_system	—

Resolution resolution	1.650 Å
Low-resolution limit resolution_low	113.680 Å
R factor r_factor	0.1299
R_work r_work	0.1287
R_free r_free	0.1525

1.65 A resolution Sulphite inhibited Sporosarcina pasteurii urease

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

UREASE SUBUNIT GAMMA

State in the Current Structure

Other States of the Same Protein in the Database

UREASE SUBUNIT BETA

State in the Current Structure

Other States of the Same Protein in the Database

UREASE SUBUNIT ALPHA

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

5a6t__assembly_1__model_1

5a6t__assembly_1__model_1 | I(q)

5a6t__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 (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)

1.65 A resolution Sulphite inhibited Sporosarcina pasteurii urease

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

UREASE SUBUNIT GAMMA

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

UREASE SUBUNIT BETA

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

UREASE SUBUNIT ALPHA

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

5a6t__assembly_1__model_1

5a6t__assembly_1__model_1 | I(q)

5a6t__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 (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)