SAXSdb — 2pqf

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

Poly [ADP-ribose] polymerase 12

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	3-AMINOBENZOIC ACID × 1 CITRIC ACID × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	3-AMINOBENZOIC ACID × 1 CITRIC ACID × 1 water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	3-AMINOBENZOIC ACID × 1 CITRIC ACID × 1 water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	3-AMINOBENZOIC ACID × 1 CITRIC ACID × 1 water × 1	Consistent with protein count
5	Protein monomer	Monomer	Protein 1	3-AMINOBENZOIC ACID × 1 CITRIC ACID × 1 water × 1	Consistent with protein count
6	Protein monomer	Monomer	Protein 1	3-AMINOBENZOIC ACID × 1 CITRIC ACID × 1 water × 1	Consistent with protein count
7	Protein homooligomer	Homooligomer	Protein 2	3-AMINOBENZOIC ACID × 2 CITRIC ACID × 2 water × 2	Consistent with protein count
8	Protein homooligomer	Homooligomer	Protein 2	3-AMINOBENZOIC ACID × 2 CITRIC ACID × 2 water × 2	Consistent with protein count
9	Protein homooligomer	Homooligomer	Protein 2	3-AMINOBENZOIC ACID × 2 CITRIC ACID × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PAR12_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–198； UniProt 489–684 Author chain B； PDBConstruct 3–198； UniProt 489–684 Author chain C； PDBConstruct 3–198； UniProt 489–684 Author chain D； PDBConstruct 3–198； UniProt 489–684 Author chain E； PDBConstruct 3–198； UniProt 489–684 Author chain F； PDBConstruct 3–198； UniProt 489–684

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	2pqf
Deposition date deposition_date	2007-05-02
Structure title title	Human Poly(ADP-Ribose) Polymerase 12, Catalytic fragment in complex with an inhibitor 3-Aminobenzoic acid
Keywords keywords	ENZYME-INHIBITOR COMPLEX, CATALYTIC FRAGMENT, STRUCTURAL GENOMICS, STRUCTURAL GENOMICS CONSORTIUM, SGC, TRANSFERASE; TRANSFERASE
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.

2pqf__assembly_4__model_1

Assembly 4 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2pqf__assembly_4__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2pqf__assembly_4__model_1 | P(r) · Pending

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

Rg（Guinier）	17.47 Å
Rg (electron density)	16.36 Å
Total Rg	17.38 Å
Atom count	1510
Residues	180
Excluded volume	26672 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2pqf__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2pqf__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2pqf__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`2pqf__assembly_4__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`2pqf__assembly_5__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
6	1	`2pqf__assembly_6__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
7	1	`2pqf__assembly_7__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
8	1	`2pqf__assembly_8__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
9	1	`2pqf__assembly_9__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 (4)

Entity 1 Entity 1 polymer

Description description	Poly [ADP-ribose] polymerase 12
Molecular weight formula_weight	22824.0 kDa
EC 编号 ec_number	2.4.2.30
Source method src_method	man
Copy count entity_count	6

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F
Atom count atom_count	9471

SMDSSALPDPGFQKITLSSSSEEYQKVWNLFNRTLPFYFVQKIERVQNLALWEVYQWQKGQMQKQNGGKAVDERQLFHGTSAIFVDAICQQNFDWRVCGVHGTSYGKGSYFARDAAYSHHYSKSDTQTHTMFLARVLVGEFVRGNASFVRPPAKEGWSNAFYDSCVNSVSDPSIFVIFEKHQVYPEYVIQYTTSSKPS

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	3-AMINOBENZOIC ACID
Molecular weight formula_weight	137.1 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 3 Entity 3 non-polymer

Description description	CITRIC ACID
Molecular weight formula_weight	192.1 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	318

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6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id	2pqfA00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	228 — Phosphoenolpyruvate Carboxykinase; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	2pqfB00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	228 — Phosphoenolpyruvate Carboxykinase; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	2pqfC00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	228 — Phosphoenolpyruvate Carboxykinase; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	2pqfD00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	228 — Phosphoenolpyruvate Carboxykinase; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	2pqfE00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	228 — Phosphoenolpyruvate Carboxykinase; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	2pqfF00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	228 — Phosphoenolpyruvate Carboxykinase; domain 3
Homologous superfamily homologous superfamily	10 —

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Unit-cell length a length_a	206.590 Å
Unit-cell length b length_b	206.590 Å
Unit-cell length c length_c	84.730 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	48

Space group space_group	I 4
Space-group number int_tables_number	79
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	19.600 Å
R factor r_factor	0.1992
R_work r_work	0.1983
R_free r_free	0.2444

Human Poly(ADP-Ribose) Polymerase 12, Catalytic fragment in complex with an inhibitor 3-Aminobenzoic acid

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

Poly [ADP-ribose] polymerase 12

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

2pqf__assembly_4__model_1

2pqf__assembly_4__model_1 | I(q)

2pqf__assembly_4__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) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)

Human Poly(ADP-Ribose) Polymerase 12, Catalytic fragment in complex with an inhibitor 3-Aminobenzoic acid

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

Poly [ADP-ribose] polymerase 12

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

2pqf__assembly_4__model_1

2pqf__assembly_4__model_1 | I(q)

2pqf__assembly_4__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) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)