SAXSdb — 4q15

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

Proline--tRNA ligase

Plasmodium falciparum

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	MAGNESIUM ION × 1 PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 7-bromo-6-chloro-3-{3-[(2R,3S)-3-hydroxypiperidin-2-yl]-2-oxopropyl}quinazolin-4(3H)-one × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	MAGNESIUM ION × 1 PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 7-bromo-6-chloro-3-{3-[(2R,3S)-3-hydroxypiperidin-2-yl]-2-oxopropyl}quinazolin-4(3H)-one × 1 1,2-ETHANEDIOL × 3 water × 1	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 2	MAGNESIUM ION × 2 PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 7-bromo-6-chloro-3-{3-[(2R,3S)-3-hydroxypiperidin-2-yl]-2-oxopropyl}quinazolin-4(3H)-one × 2 1,2-ETHANEDIOL × 3 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SYP_PLAF7
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 9–506； UniProt 249–746 Author chain B； PDBConstruct 9–506； UniProt 249–746

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	4q15
Deposition date deposition_date	2014-04-02
Structure title title	Crystal Structure of Prolyl-tRNA synthetase (ProRS, Proline--tRNA ligase) from Plasmodium falciparum in complex with Halofuginone and AMPPNP in space group P212121 at 2.35 A
Keywords keywords	;Structural Genomics, NIAID, National Institute of Allergy and Infectious Diseases, Seattle Structural Genomics Center for Infectious Disease, SSGCID, Prolyl-tRNA synthetase, ligase ;; LIGASE
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.

4q15__assembly_1__model_1

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

Download this curve (.dat)

4q15__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4q15__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	25.74 Å
Rg (electron density)	24.86 Å
Total Rg	25.52 Å
Atom count	3628
Residues	460
Excluded volume	64436 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4q15__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`4q15__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`4q15__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 (6)

Entity 1 Entity 1 polymer

Description description	Proline--tRNA ligase
Molecular weight formula_weight	58986.5 kDa
EC 编号 ec_number	6.1.1.15
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	7587

MAHHHHHHSNILGITSKKIENFSDWYTQVIVKSELIEYYDISGCYILRPAAYYIWECVQAFFNKEIKKLNVENSYFPLFVTKNKLEKEKNHIEGFSPEVAWVTKYGDSNLPEEIAIRPTSETIMYSVFPKWIRSYRDLPLKLNQWNTVVRWEFKQPTPFIRTREFLWQEGHTAHKNEEEAVKLVFDILDLYRRWYEEYLAVPIIKGIKSEGEKFGGANFTSTAEAFISENGRAIQAATSHYLGTNFAKMFKIEFEDENEVKQYVHQTSWGCTTRSIGIMIMTHGDDKGLVLPPNVSKYKVVIVPIFYKTTDENAIHSYCKDIEKILKNAQINCVYDDRASYSPGYKFNHWELRGIPIRIEVGPKDLQNNSCVIVRRDNNEKCNVKKESVLLETQQMLVDIHKNLFLKAKKKLDDSIVQVTSFSEVMNALNKKKMVLAPWCEDIATEEEIKKETQRLSLNQTNSETTLSGAMKPLCIPLDQPPMPPNMKCFWSGKPAKRWCLFGRSY

Source Source

Source organism organism	Plasmodium falciparum
NCBI taxonomy ID ncbi_taxonomy_id	36329
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
Molecular weight formula_weight	506.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	7-bromo-6-chloro-3-{3-[(2R,3S)-3-hydroxypiperidin-2-yl]-2-oxopropyl}quinazolin-4(3H)-one
Molecular weight formula_weight	414.7 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	273

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6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id	4q15A01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	930 — BirA Bifunctional Protein; domain 2
Homologous superfamily homologous superfamily	10 — Bira Bifunctional Protein; Domain 2

Domain ID domain_id	4q15A02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	800 — Anticodon-binding domain

Domain ID domain_id	4q15A03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	110 — Translation Initiation Factor IF3
Homologous superfamily homologous superfamily	30 — C-terminal domain of ProRS

Domain ID domain_id	4q15B01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	930 — BirA Bifunctional Protein; domain 2
Homologous superfamily homologous superfamily	10 — Bira Bifunctional Protein; Domain 2

Domain ID domain_id	4q15B02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	800 — Anticodon-binding domain

Domain ID domain_id	4q15B03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	110 — Translation Initiation Factor IF3
Homologous superfamily homologous superfamily	30 — C-terminal domain of ProRS

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Unit-cell length a length_a	76.580 Å
Unit-cell length b length_b	78.090 Å
Unit-cell length c length_c	167.820 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	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.350 Å
Low-resolution limit resolution_low	37.331 Å
R factor r_factor	0.1962
R_work r_work	0.1950
R_free r_free	0.2190

Crystal Structure of Prolyl-tRNA synthetase (ProRS, Proline--tRNA ligase) from Plasmodium falciparum in complex with Halofuginone and AMPPNP in space group P212121 at 2.35 A

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

Proline--tRNA ligase

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

4q15__assembly_1__model_1

4q15__assembly_1__model_1 | I(q)

4q15__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 (6)

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 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)

Crystal Structure of Prolyl-tRNA synthetase (ProRS, Proline--tRNA ligase) from Plasmodium falciparum in complex with Halofuginone and AMPPNP in space group P212121 at 2.35 A

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

Proline--tRNA ligase

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

4q15__assembly_1__model_1

4q15__assembly_1__model_1 | I(q)

4q15__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 (6)

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 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)