2jan

TYROSYL-TRNA SYNTHETASE FROM MYCOBACTERIUM TUBERCULOSIS IN UNLIGANDED STATE

Method: X-RAY DIFFRACTION

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

TYROSYL-TRNA SYNTHETASE

MYCOBACTERIUM TUBERCULOSIS

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SYY_MYCTU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–424； UniProt 1–424 Author chain B； PDBConstruct 1–424； UniProt 1–424 Author chain C； PDBConstruct 1–424； UniProt 1–424 Author chain D； PDBConstruct 1–424； UniProt 1–424

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	2jan
Deposition date deposition_date	2006-11-29
Structure title title	TYROSYL-TRNA SYNTHETASE FROM MYCOBACTERIUM TUBERCULOSIS IN UNLIGANDED STATE
Keywords keywords	;PROTEIN BIOSYNTHESIS, AMINOACYL-TRNA SYNTHETASE, TRNA, TYRRS, LIGASE, TYROSINE, RNA-BINDING, ATP-BINDING, AMINOACYLATION, NUCLEOTIDE-BINDING ;; 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.

2jan__assembly_1__model_1

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

Download this curve (.dat)

2jan__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2jan__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	41.71 Å
Rg (electron density)	42.03 Å
Total Rg	41.87 Å
Atom count	6266
Residues	826
Excluded volume	110710 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2jan__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2jan__assembly_2__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 (2)

Entity 1 Entity 1 polymer

Description description	TYROSYL-TRNA SYNTHETASE
Molecular weight formula_weight	47457.4 kDa
EC 编号 ec_number	6.1.1.1
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	12591

MSGMILDELSWRGLIAQSTDLDTLAAEAQRGPMTVYAGFDPTAPSLHAGHLVPLLTLRRFQRAGHRPIVLAGGATGMIGDPRDVGERSLNEADTVAEWTERIRGQLERFVDFDDSPMGAIVENNLEWTGSLSAIEFLRDIGKHFSVNVMLARDTIRRRLAGEGISYTEFSYLLLQANDYVELHRRHGCTLQIGGADQWGNIIAGVRLVRQKLGATVHALTVPLVTAADGTKFGKSTGGGSLWLDPQMTSPYAWYQYFVNTADADVIRYLRWFTFLSADELAELEQATAQRPQQRAAQRRLASELTVLVHGEAATAAVEHASRALFGRGELARLDEATLAAALRETTVAELKPGSPDGIVDLLVASGLSASKGAARRTIHEGGVSVNNIRVDNEEWVPQSSDFLHGRWLVLRRGKRSIAGVERIGLEHHHHHH

Source Source

Source organism organism	MYCOBACTERIUM TUBERCULOSIS
NCBI taxonomy ID ncbi_taxonomy_id	83332
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	105

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6. Fold Classification (SCOP + CATH) 12 domains

CATH v4.4 (12 domains)

Domain ID domain_id	2janA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	620 — HUPs

Domain ID domain_id	2janA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	240 — Tyrosyl-Transfer RNA Synthetase
Homologous superfamily homologous superfamily	10 — Tyrosyl-Transfer RNA Synthetase

Domain ID domain_id	2janA03
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	290 — Structural Genomics Hypothetical 15.5 Kd Protein In mrcA-pckA Intergenic Region; Chain A
Homologous superfamily homologous superfamily	10 — RNA-binding S4 domain

Domain ID domain_id	2janB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	620 — HUPs

Domain ID domain_id	2janB02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	240 — Tyrosyl-Transfer RNA Synthetase
Homologous superfamily homologous superfamily	10 — Tyrosyl-Transfer RNA Synthetase

Domain ID domain_id	2janB03
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	290 — Structural Genomics Hypothetical 15.5 Kd Protein In mrcA-pckA Intergenic Region; Chain A
Homologous superfamily homologous superfamily	10 — RNA-binding S4 domain

Domain ID domain_id	2janC01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	620 — HUPs

Domain ID domain_id	2janC02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	240 — Tyrosyl-Transfer RNA Synthetase
Homologous superfamily homologous superfamily	10 — Tyrosyl-Transfer RNA Synthetase

Domain ID domain_id	2janC03
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	290 — Structural Genomics Hypothetical 15.5 Kd Protein In mrcA-pckA Intergenic Region; Chain A
Homologous superfamily homologous superfamily	10 — RNA-binding S4 domain

Domain ID domain_id	2janD01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	620 — HUPs

Domain ID domain_id	2janD02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	240 — Tyrosyl-Transfer RNA Synthetase
Homologous superfamily homologous superfamily	10 — Tyrosyl-Transfer RNA Synthetase

Domain ID domain_id	2janD03
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	290 — Structural Genomics Hypothetical 15.5 Kd Protein In mrcA-pckA Intergenic Region; Chain A
Homologous superfamily homologous superfamily	10 — RNA-binding S4 domain

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Unit-cell length a length_a	71.262 Å
Unit-cell length b length_b	78.440 Å
Unit-cell length c length_c	81.633 Å
Unit-cell angle α angle_alpha	74.42 °
Unit-cell angle β angle_beta	83.19 °
Unit-cell angle γ angle_gamma	82.95 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	2.900 Å
Low-resolution limit resolution_low	19.890 Å
R factor r_factor	0.2040
R_work r_work	0.2010
R_free r_free	0.2570

TYROSYL-TRNA SYNTHETASE FROM MYCOBACTERIUM TUBERCULOSIS IN UNLIGANDED STATE

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

TYROSYL-TRNA SYNTHETASE

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

2jan__assembly_1__model_1

2jan__assembly_1__model_1 | I(q)

2jan__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 12 domains

CATH v4.4 (12 domains)

7. Citations (1)

TYROSYL-TRNA SYNTHETASE FROM MYCOBACTERIUM TUBERCULOSIS IN UNLIGANDED STATE

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

TYROSYL-TRNA SYNTHETASE

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

2jan__assembly_1__model_1

2jan__assembly_1__model_1 | I(q)

2jan__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 12 domains

CATH v4.4 (12 domains)

7. Citations (1)