SAXSdb — 4blr

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

NTPASE P4

PSEUDOMONAS PHAGE PHI12

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 6	;URIDINE 5'-TRIPHOSPHATE ; × 6 2,3-DIHYDROXY-1,4-DITHIOBUTANE × 2 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q94M05_9VIRU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–331； UniProt 1–331 Author chain B； PDBConstruct 1–331； UniProt 1–331 Author chain C； PDBConstruct 1–331； UniProt 1–331

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	4blr
Deposition date deposition_date	2013-05-04
Structure title title	P4 PROTEIN FROM BACTERIOPHAGE PHI12 IN COMPLEX WITH UTP
Keywords keywords	HYDROLASE, PACKAGING, CYSTOVIRIDAE; 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.

4blr__assembly_1__model_1

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

Download this curve (.dat)

4blr__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4blr__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	38.14 Å
Rg (electron density)	37.08 Å
Total Rg	37.54 Å
Atom count	13736
Residues	1788
Excluded volume	243150 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4blr__assembly_1__model_1`	hexameric （6）	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 (4)

Entity 1 Entity 1 polymer

Description description	NTPASE P4
Molecular weight formula_weight	35150.4 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	7508

MIHLYDAKSFAKLRAAQYAAFHTDAPGSWFDHTSGVLESVEDGTPVLAIGVESGDAIVFDKNAQRIVAYKEKSVKAEDGSVSVVQVENGFMKQGHRGWLVDLTGELVGCSPVVAEFGGHRYASGMVIVTGKGNSGKTPLVHALGEALGGKDKYATVRFGEPLSGYNTDFNVFVDDIARAMLQHRVIVIDSLKNVIGAAGGNTTSGGISRGAFDLLSDIGAMAASRGCVVIASLNPTSNDDKIVELVKEASRSNSTSLVISTDVDGEWQVLTRTGEGLQRLTHTLQTSYGEHSVLTIHTSKQSGGKQASGKAIQTVIKNDELESVLRRLTSN

Source Source

Source organism organism	PSEUDOMONAS PHAGE PHI12
Common name common_name	BACTERIOPHAGE PHI12
NCBI taxonomy ID ncbi_taxonomy_id	161736
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 non-polymer

Description description	;URIDINE 5'-TRIPHOSPHATE ;
Molecular weight formula_weight	484.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 3 Entity 3 non-polymer

Description description	2,3-DIHYDROXY-1,4-DITHIOBUTANE
Molecular weight formula_weight	154.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	640

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6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d4blra_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.11 — RecA protein-like (ATPase-domain)

Domain ID domain_id	d4blrb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.11 — RecA protein-like (ATPase-domain)

Domain ID domain_id	d4blrc_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.11 — RecA protein-like (ATPase-domain)

CATH v4.4 (6 domains)

Domain ID domain_id	4blrA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	4blrA02
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	270 — duf1285 protein fold
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	4blrB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	4blrB02
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	270 — duf1285 protein fold
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	4blrC01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	4blrC02
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	270 — duf1285 protein fold
Homologous superfamily homologous superfamily	20 —

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Unit-cell length a length_a	105.387 Å
Unit-cell length b length_b	129.330 Å
Unit-cell length c length_c	159.073 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	24

Space group space_group	I 2 2 2
Space-group number int_tables_number	23
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	19.960 Å
R factor r_factor	0.1937
R_work r_work	0.1931
R_free r_free	0.2038

P4 PROTEIN FROM BACTERIOPHAGE PHI12 IN COMPLEX WITH UTP

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

NTPASE P4

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

4blr__assembly_1__model_1

4blr__assembly_1__model_1 | I(q)

4blr__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (3 domains)

CATH v4.4 (6 domains)

7. Citations (1)

P4 PROTEIN FROM BACTERIOPHAGE PHI12 IN COMPLEX WITH UTP

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

NTPASE P4

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

4blr__assembly_1__model_1

4blr__assembly_1__model_1 | I(q)

4blr__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (3 domains)

CATH v4.4 (6 domains)

7. Citations (1)