SAXSdb — 1tiy

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

Guanine deaminase

Bacillus subtilis

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GUAD_BACSU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–156； UniProt 1–156 Author chain B； PDBConstruct 1–156； UniProt 1–156

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	1tiy
Deposition date deposition_date	2004-06-02
Structure title title	X-RAY STRUCTURE OF GUANINE DEAMINASE FROM BACILLUS SUBTILIS NORTHEAST STRUCTURAL GENOMICS CONSORTIUM TARGET SR160
Keywords keywords	;protein-Zn complex, Structural Genomics, PSI, Protein Structure Initiative, Northeast Structural Genomics Consortium, NESG, HYDROLASE ;; HYDROLASE
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.

1tiy__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1tiy__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1tiy__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	20.15 Å
Rg (electron density)	19.17 Å
Total Rg	20.06 Å
Atom count	2430
Residues	310
Excluded volume	43231 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1tiy__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1tiy__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`1tiy__assembly_3__model_1`	dimeric （2）	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 (3)

Entity 1 Entity 1 polymer

Description description	Guanine deaminase
Molecular weight formula_weight	18339.3 kDa
EC 编号 ec_number	3.5.4.3
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	2434

MNHETFLKRAVTLACEGVNAGIGGPFGAVIVKDGAIIAEGQNNVTTSNDPTAHAEVTAIRKACKVLGAYQLDDCILYTSCEPCPMCLGAIYWARPKAVFYAAEHTDAAEAGFDDSFIYKEIDKPAEERTIPFYQVTLTEHLSPFQAWRNFANKKEYLEHHHHHH

Source Source

Source organism organism	Bacillus subtilis
NCBI taxonomy ID ncbi_taxonomy_id	1423
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	64

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6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1tiya1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.97 — Cytidine deaminase-like
Superfamily Superfamily superfamily	c.97.1 — Cytidine deaminase-like
Family Family family	c.97.1.2 — Deoxycytidylate deaminase-like

Domain ID domain_id	d1tiya2
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	d1tiyb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.97 — Cytidine deaminase-like
Superfamily Superfamily superfamily	c.97.1 — Cytidine deaminase-like
Family Family family	c.97.1.2 — Deoxycytidylate deaminase-like

CATH v4.4 (2 domains)

Domain ID domain_id	1tiyA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	140 — Cytidine Deaminase; domain 2
Homologous superfamily homologous superfamily	10 — Cytidine Deaminase, domain 2

Domain ID domain_id	1tiyB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	140 — Cytidine Deaminase; domain 2
Homologous superfamily homologous superfamily	10 — Cytidine Deaminase, domain 2

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Unit-cell length a length_a	99.287 Å
Unit-cell length b length_b	99.287 Å
Unit-cell length c length_c	72.927 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	16

Space group space_group	P 43 21 2
Space-group number int_tables_number	96
Crystal system crystal_system	—

Resolution resolution	2.500 Å
Low-resolution limit resolution_low	29.390 Å
R factor r_factor	0.2220
R_work r_work	0.2220
R_free r_free	0.2730

X-RAY STRUCTURE OF GUANINE DEAMINASE FROM BACILLUS SUBTILIS NORTHEAST STRUCTURAL GENOMICS CONSORTIUM TARGET SR160

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

Guanine deaminase

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

1tiy__assembly_2__model_1

1tiy__assembly_2__model_1 | I(q)

1tiy__assembly_2__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) 5 domains

SCOP 2.08 (3 domains)

CATH v4.4 (2 domains)

7. Citations (1)

X-RAY STRUCTURE OF GUANINE DEAMINASE FROM BACILLUS SUBTILIS NORTHEAST STRUCTURAL GENOMICS CONSORTIUM TARGET SR160

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

Guanine deaminase

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

1tiy__assembly_2__model_1

1tiy__assembly_2__model_1 | I(q)

1tiy__assembly_2__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) 5 domains

SCOP 2.08 (3 domains)

CATH v4.4 (2 domains)

7. Citations (1)