SAXSdb — 1l5x

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

Survival protein E

Pyrobaculum aerophilum

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	GLYCEROL × 7 ACETIC ACID × 2 water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 4	GLYCEROL × 14 ACETIC ACID × 4 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SURE1_PYRAE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–266； UniProt 1–266 Author chain B； PDBConstruct 1–266； UniProt 1–266

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	1l5x
Deposition date deposition_date	2002-03-08
Structure title title	The 2.0-Angstrom resolution crystal structure of a survival protein E (SurE) homolog from Pyrobaculum aerophilum
Keywords keywords	;STRUCTURAL GENOMICS, putative acid phosphatase, mixed alpha/beta protein, N-terminal Rossmann-fold like, novel C-terminal domain with beta-hairpin extensions, UNKNOWN FUNCTION ;; STRUCTURAL GENOMICS, UNKNOWN FUNCTION
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.

1l5x__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1l5x__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1l5x__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	31.82 Å
Rg (electron density)	30.68 Å
Total Rg	31.45 Å
Atom count	8560
Residues	1084
Excluded volume	153890 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1l5x__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1l5x__assembly_2__model_1`	tetrameric （4）	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	Survival protein E
Molecular weight formula_weight	30768.3 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	4567

MKILVTNDDGVHSPGLRLLYQFALSLGDVDVVAPESPKSATGLGITLHKPLRMYEVDLCGFRAIATSGTPSDTVYLATFGLGRKYDIVLSGINLGDNTSLQVILSSGTLGAAFQAALLGIPALAYSAYLENWNELLNNKEAVEIMGAVVSSTASYVLKNGMPQGVDVISVNFPRRLGRGVRAKLVKAAKLRYAQQVVERVDPRGVRYYWLYGRDLAPEPETDVYVVLKEGGIAITPLTLNLNAVDAHREVDMDSLNRMVEYINASLSKLAAALEHHHHHH

Source Source

Source organism organism	Pyrobaculum aerophilum
NCBI taxonomy ID ncbi_taxonomy_id	13773
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	7

Entity 3 Entity 3 non-polymer

Description description	ACETIC ACID
Molecular weight formula_weight	60.1 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	287

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1l5xa1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.106 — SurE-like
Superfamily Superfamily superfamily	c.106.1 — SurE-like
Family Family family	c.106.1.1 — SurE-like

Domain ID domain_id	d1l5xa2
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	d1l5xb1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.106 — SurE-like
Superfamily Superfamily superfamily	c.106.1 — SurE-like
Family Family family	c.106.1.1 — SurE-like

Domain ID domain_id	d1l5xb2
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 (2 domains)

Domain ID domain_id	1l5xA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1210 — Stationary-phase Survival Protein Sure Homolog; Chain: A,
Homologous superfamily homologous superfamily	10 — Survival protein SurE-like phosphatase/nucleotidase

Domain ID domain_id	1l5xB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1210 — Stationary-phase Survival Protein Sure Homolog; Chain: A,
Homologous superfamily homologous superfamily	10 — Survival protein SurE-like phosphatase/nucleotidase

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Unit-cell length a length_a	90.500 Å
Unit-cell length b length_b	90.500 Å
Unit-cell length c length_c	129.951 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	P 31 2 1
Space-group number int_tables_number	152
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	19.590 Å
R factor r_factor	—
R_work r_work	0.1850
R_free r_free	0.2230

The 2.0-Angstrom resolution crystal structure of a survival protein E (SurE) homolog from Pyrobaculum aerophilum

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

Survival protein E

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

1l5x__assembly_2__model_1

1l5x__assembly_2__model_1 | I(q)

1l5x__assembly_2__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 (4 domains)

CATH v4.4 (2 domains)

7. Citations (3)

The 2.0-Angstrom resolution crystal structure of a survival protein E (SurE) homolog from Pyrobaculum aerophilum

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

Survival protein E

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

1l5x__assembly_2__model_1

1l5x__assembly_2__model_1 | I(q)

1l5x__assembly_2__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 (4 domains)

CATH v4.4 (2 domains)

7. Citations (3)