SAXSdb — 1xr4

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

putative citrate lyase alpha chain/citrate-ACP transferase

Salmonella typhimurium

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8ZRY1_SALTY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–509； UniProt 1–506 Author chain B； PDBConstruct 4–509； UniProt 1–506

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	1xr4
Deposition date deposition_date	2004-10-13
Structure title title	X-ray crystal structure of putative citrate lyase alpha chain/citrate-ACP transferase [Salmonella typhimurium]
Keywords keywords	;The Midwest Center for Structural Genomics, MCSG, structural genomics, protein structure initiative, PSI, citrate lyase, HYDROLASE-TRANSFERASE COMPLEX ;; HYDROLASE/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.

1xr4__assembly_1__model_1

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

Download this curve (.dat)

1xr4__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1xr4__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	31.93 Å
Rg (electron density)	31.47 Å
Total Rg	32.12 Å
Atom count	7654
Residues	988
Excluded volume	136060 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1xr4__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 (2)

Entity 1 Entity 1 polymer

Description description	putative citrate lyase alpha chain/citrate-ACP transferase
Molecular weight formula_weight	55445.9 kDa
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	7941

SNAMKETVTMLNQQYVVPEGLQPYQGVTANSPWLASETEKRRRKICDSLEEAIRRSGLKNGMTISFHHAFRGGDKVVNMVMAKLAEMGFRDLTLASSSLIDAHWPLIEHIKNGVVRQIYTSGLRGKLGEEISAGLMENPVQIHSHGGRVKLIQSGELNIDVAFLGVPCCDEFGNANGFSGKSRCGSLGYAQVDAQYAKCVVLLTEEWVEFPNYPASIAQDQVDLIVQVDEVGDPEKITAGAIRLSSNPRELLIARQAANVIEHSGYFCDGFSLQTGTGGASLAVTRFLEDKMRRHNITASFGLGGITGTMVDLHEKGLIKALLDTQSFDGDAARSLAQNPHHIEISTNQYANPASKGAACERLNVVMLSALEIDVNFNVNVMTGSNGVLRGASGGHSDTAAGADLTIITAPLVRGRIPCVVEKVLTTVTPGASVDVLVTDHGIAVNPARQDLLDNLRAAGVALMTIEQLQQRAEQLTGKPQPIEFTDRVVAVVRYRDGSVIDVIRQVKG

Source Source

Source organism organism	Salmonella typhimurium
NCBI taxonomy ID ncbi_taxonomy_id	99287
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	287

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (6 domains)

Domain ID domain_id	d1xr4a1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.124 — NagB/RpiA/CoA transferase-like
Superfamily Superfamily superfamily	c.124.1 — NagB/RpiA/CoA transferase-like
Family Family family	c.124.1.2 — CoA transferase alpha subunit-like

Domain ID domain_id	d1xr4a2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.124 — NagB/RpiA/CoA transferase-like
Superfamily Superfamily superfamily	c.124.1 — NagB/RpiA/CoA transferase-like
Family Family family	c.124.1.2 — CoA transferase alpha subunit-like

Domain ID domain_id	d1xr4a3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d1xr4b1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.124 — NagB/RpiA/CoA transferase-like
Superfamily Superfamily superfamily	c.124.1 — NagB/RpiA/CoA transferase-like
Family Family family	c.124.1.2 — CoA transferase alpha subunit-like

Domain ID domain_id	d1xr4b2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.124 — NagB/RpiA/CoA transferase-like
Superfamily Superfamily superfamily	c.124.1 — NagB/RpiA/CoA transferase-like
Family Family family	c.124.1.2 — CoA transferase alpha subunit-like

Domain ID domain_id	d1xr4b3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (4 domains)

Domain ID domain_id	1xr4A01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1080 — Glutaconate Coenzyme A-transferase
Homologous superfamily homologous superfamily	10 — Glutaconate Coenzyme A-transferase

Domain ID domain_id	1xr4A02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1080 — Glutaconate Coenzyme A-transferase
Homologous superfamily homologous superfamily	10 — Glutaconate Coenzyme A-transferase

Domain ID domain_id	1xr4B01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1080 — Glutaconate Coenzyme A-transferase
Homologous superfamily homologous superfamily	10 — Glutaconate Coenzyme A-transferase

Domain ID domain_id	1xr4B02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1080 — Glutaconate Coenzyme A-transferase
Homologous superfamily homologous superfamily	10 — Glutaconate Coenzyme A-transferase

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Unit-cell length a length_a	58.374 Å
Unit-cell length b length_b	116.701 Å
Unit-cell length c length_c	189.694 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	2.370 Å
Low-resolution limit resolution_low	40.000 Å
R factor r_factor	0.1908
R_work r_work	0.1930
R_free r_free	0.2348

X-ray crystal structure of putative citrate lyase alpha chain/citrate-ACP transferase [Salmonella typhimurium]

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

putative citrate lyase alpha chain/citrate-ACP 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

1xr4__assembly_1__model_1

1xr4__assembly_1__model_1 | I(q)

1xr4__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) 10 domains

SCOP 2.08 (6 domains)

CATH v4.4 (4 domains)

7. Citations (1)

X-ray crystal structure of putative citrate lyase alpha chain/citrate-ACP transferase [Salmonella typhimurium]

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

putative citrate lyase alpha chain/citrate-ACP 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

1xr4__assembly_1__model_1

1xr4__assembly_1__model_1 | I(q)

1xr4__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) 10 domains

SCOP 2.08 (6 domains)

CATH v4.4 (4 domains)

7. Citations (1)