1aei

CRYSTAL STRUCTURE OF THE ANNEXIN XII HEXAMER

Method: X-RAY DIFFRACTION D_max: 115.5 Å Quality: REASONABLE

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

ANNEXIN XII

Hydra vulgaris

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein homooligomer Homooligomer Protein × 6 PDB declaration: hexameric（6） Consistent with protein copy count	Chain A； UniProt 2–316 Chain B； UniProt 2–316 Chain C； UniProt 2–316 Chain D； UniProt 2–316 Chain E； UniProt 2–316 Chain F； UniProt 2–316	Not recorded	CA CALCIUM ION × 24	X-RAY DIFFRACTION X-ray crystallization conditions：pH 7.8；7 MG/ML ANX12, 65 W/V PEG 6000, 10 MM CACL2, PH 7.8	Resolution 2.80 Å R-free 0.278

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 1AEI	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1DM5 ANNEXIN XII E105K HOMOHEXAMER CRYSTAL STRUCTURE Deposited 1999-12-13	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric	Chain A 2–316（315 aa） Chain B 2–316（315 aa） Chain C 2–316（315 aa） Chain D 2–316（315 aa） Chain E 2–316（315 aa） Chain F 2–316（315 aa）	Mutation：E105K Mutation：E105K Mutation：E105K Mutation：E105K Mutation：E105K Mutation：E105K	CA CALCIUM ION × 11	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；277 K；0.2 M AMMONIUM ACETATE 0.1 M SODIUM CITRATE PH 5.6 80 % 2-METHYL-PENTANEDIOL, VAPOR DIFFUSION, HANGING DROP, temperature 4K	Resolution 1.93 Å R-free 0.263

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	ANX12_HYDAT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–315； UniProt 2–316 Author chain B； PDBConstruct 1–315； UniProt 2–316 Author chain C； PDBConstruct 1–315； UniProt 2–316 Author chain D； PDBConstruct 1–315； UniProt 2–316 Author chain E； PDBConstruct 1–315； UniProt 2–316 Author chain F； PDBConstruct 1–315； UniProt 2–316

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.

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	1aei
Deposition date deposition_date	1995-09-23
Structure title title	CRYSTAL STRUCTURE OF THE ANNEXIN XII HEXAMER
Keywords keywords	CALCIUM/PHOSPHOLIPID-BINDING, ANNEXIN, CALCIUM, PHOSPHOLIPID, CALCIUM-PHOSPHOLIPID-BINDING complex; CALCIUM/PHOSPHOLIPID-BINDING
Experimental Method method	X-RAY DIFFRACTION

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	39.46 Å
Radius of gyration Rg (electron density) rg_electron	38.40 Å
Forward intensity I(0) i0	672634000.00
Molecular weight molecular_weight	210770.0 kDa
Excluded volume excluded_volume	263170 Å³
Envelope volume envelope_volume	338540 Å³
Hydration-shell volume shell_volume	69719 Å³
Envelope diameter envelope_diameter	117.2 Å
Shell Rg shell_rg	47.55 Å
Envelope Rg envelope_rg	37.39 Å
Shape Rg shape_rg	38.42 Å
Total Rg total_rg	38.80 Å
Total atoms total_atoms	18252
Residues n_residues	1890
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	115.5 Å
Rg (real space) rg_real	39.17 Å
Rg uncertainty (real space) rg_real_error	0.21 Å
I(0) (real space) i0_real	6.5110e+08
I(0) uncertainty (real space) i0_real_error	7.4070e+06
Rg (reciprocal space) rg_reciprocal	39.31 Å
I(0) (reciprocal space) i0_reciprocal	672800000.0000
Solution quality estimate total_estimate	0.7350
Solution quality rating solution_quality	REASONABLE a REASONABLE solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	54.9 Å
Skewness Skewness skewness	0.008
Kurtosis Kurtosis kurtosis	-0.562
Angular range angular_range	— – 0.2000 Å⁻¹
Current regularization parameter α current_alpha	3.1010
Highest regularization parameter α highest_alpha	91980000.0000
Real-space data points n_real_points	41
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.957; Stabil: 0.918; Sysdev: 0.000; Positv: 1.000; Valcen: 0.966; Smooth: 0.975

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (2)

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7. Fold Classification (SCOP + CATH) 30 domains

SCOP 2.08 (6 domains)

Domain ID domain_id	d1aeia_
Class class	a — All alpha proteins
Fold Fold fold	a.65 — Annexin
Superfamily Superfamily superfamily	a.65.1 — Annexin
Family Family family	a.65.1.1 — Annexin

Domain ID domain_id	d1aeib_
Class class	a — All alpha proteins
Fold Fold fold	a.65 — Annexin
Superfamily Superfamily superfamily	a.65.1 — Annexin
Family Family family	a.65.1.1 — Annexin

Domain ID domain_id	d1aeic_
Class class	a — All alpha proteins
Fold Fold fold	a.65 — Annexin
Superfamily Superfamily superfamily	a.65.1 — Annexin
Family Family family	a.65.1.1 — Annexin

Domain ID domain_id	d1aeid_
Class class	a — All alpha proteins
Fold Fold fold	a.65 — Annexin
Superfamily Superfamily superfamily	a.65.1 — Annexin
Family Family family	a.65.1.1 — Annexin

Domain ID domain_id	d1aeie_
Class class	a — All alpha proteins
Fold Fold fold	a.65 — Annexin
Superfamily Superfamily superfamily	a.65.1 — Annexin
Family Family family	a.65.1.1 — Annexin

Domain ID domain_id	d1aeif_
Class class	a — All alpha proteins
Fold Fold fold	a.65 — Annexin
Superfamily Superfamily superfamily	a.65.1 — Annexin
Family Family family	a.65.1.1 — Annexin

CATH v4.4 (24 domains)

Domain ID domain_id	1aeiA01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiA03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiA04
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiB01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiB02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiB03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiB04
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiC01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiC02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiC03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiC04
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiD01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiD02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiD03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiD04
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiE01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiE02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiE03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiE04
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiF01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiF02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiF03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

Domain ID domain_id	1aeiF04
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	220 — Annexin V; domain 1
Homologous superfamily homologous superfamily	10 — Annexin

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8. Citations (1)

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Unit-cell length a length_a	71.200 Å
Unit-cell length b length_b	179.200 Å
Unit-cell length c length_c	100.700 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	97.60 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.800 Å
Low-resolution limit resolution_low	10.000 Å
R factor r_factor	0.2360
R_work r_work	0.2360
R_free r_free	0.2780

Description description	ANNEXIN XII
Molecular weight formula_weight	35024.5 kDa
Source method src_method	man
Copy count entity_count	6

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F
Atom count atom_count	18252

CRYSTAL STRUCTURE OF THE ANNEXIN XII HEXAMER

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

ANNEXIN XII

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 non-polymer

7. Fold Classification (SCOP + CATH) 30 domains

SCOP 2.08 (6 domains)

CATH v4.4 (24 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)

来源生物 organism	Hydra vulgaris
NCBI Class编号 ncbi_taxonomy_id	6087
宿主生物 host_organism	Escherichia coli

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	24

fit	/app/data/saxs_computation/ae/1aei/1aei.fit
pddf	/app/data/pr_computation/ae/1aei/1aei.pr.out
profile	/app/data/saxs_computation/ae/1aei/1aei.dat