SAXSdb — 2z3o

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

Leucyl/phenylalanyl-tRNA-protein transferase

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	PHENYLALANINE × 2 D(-)-TARTARIC ACID × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LFTR_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–233； UniProt 2–234 Author chain B； PDBConstruct 1–233； UniProt 2–234

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	2z3o
Deposition date deposition_date	2007-06-04
Structure title title	complex structure of LF-transferase and phenylalanine
Keywords keywords	LF-transferase, 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.

2z3o__assembly_1__model_1

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

Download this curve (.dat)

2z3o__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2z3o__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	25.25 Å
Rg (electron density)	24.28 Å
Total Rg	25.20 Å
Atom count	3747
Residues	463
Excluded volume	66253 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2z3o__assembly_1__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	Leucyl/phenylalanyl-tRNA-protein transferase
Molecular weight formula_weight	26520.3 kDa
EC 编号 ec_number	2.3.2.6
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	3762

RLVQLSRHSIAFPSPEGALREPNGLLALGGDLSPARLLMAYQRGIFPWFSPGDPILWWSPDPRAVLWPESLHISRSMKRFHKRSPYRVTMNYAFGQVIEGCASDREEGTWITRGVVEAYHRLHELGHAHSIEVWREDELVGGMYGVAQGTLFCGESMFSRMENASKTALLVFCEEFIGHGGKLIDCQVLNDHTASLGACEIPRRDYLNYLNQMRLGRLPNNFWVPRCLFSPQE

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	PHENYLALANINE
Molecular weight formula_weight	165.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	D(-)-TARTARIC ACID
Molecular weight formula_weight	150.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	15

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2z3oa_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.108 — Acyl-CoA N-acyltransferases (Nat)
Superfamily Superfamily superfamily	d.108.1 — Acyl-CoA N-acyltransferases (Nat)
Family Family family	d.108.1.6 — LFTR-like

Domain ID domain_id	d2z3ob_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.108 — Acyl-CoA N-acyltransferases (Nat)
Superfamily Superfamily superfamily	d.108.1 — Acyl-CoA N-acyltransferases (Nat)
Family Family family	d.108.1.6 — LFTR-like

CATH v4.4 (4 domains)

Domain ID domain_id	2z3oA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	3550 — Leucyl/phenylalanyl-tRNA-protein transferase, N-terminal domain

Domain ID domain_id	2z3oA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	630 — Aminopeptidase
Homologous superfamily homologous superfamily	70 — Leucyl/phenylalanyl-tRNA-protein transferase, C-terminal domain

Domain ID domain_id	2z3oB01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	3550 — Leucyl/phenylalanyl-tRNA-protein transferase, N-terminal domain

Domain ID domain_id	2z3oB02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	630 — Aminopeptidase
Homologous superfamily homologous superfamily	70 — Leucyl/phenylalanyl-tRNA-protein transferase, C-terminal domain

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Unit-cell length a length_a	115.490 Å
Unit-cell length b length_b	129.249 Å
Unit-cell length c length_c	38.678 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 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.400 Å
Low-resolution limit resolution_low	28.870 Å
R factor r_factor	0.2410
R_work r_work	0.2410
R_free r_free	0.2690

complex structure of LF-transferase and phenylalanine

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

Leucyl/phenylalanyl-tRNA-protein transferase

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

2z3o__assembly_1__model_1

2z3o__assembly_1__model_1 | I(q)

2z3o__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) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)

complex structure of LF-transferase and phenylalanine

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

Leucyl/phenylalanyl-tRNA-protein transferase

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

2z3o__assembly_1__model_1

2z3o__assembly_1__model_1 | I(q)

2z3o__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) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)