SAXSdb — 9qcj

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

Major phosphate-irrepressible acid phosphatase

Morganella morganii

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 6	PHOSPHATE ION × 6 DI(HYDROXYETHYL)ETHER × 2 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PHOC_MORMO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–249； UniProt 1–249 Author chain B； PDBConstruct 1–249； UniProt 1–249 Author chain C； PDBConstruct 1–249； UniProt 1–249

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	9qcj
Deposition date deposition_date	2025-03-04
Structure title title	Crystal structure of PhoC wild type acid phosphatase
Keywords keywords	Acid phosphatase, BIOSYNTHETIC PROTEIN; BIOSYNTHETIC PROTEIN
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.

9qcj__assembly_1__model_1

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

Download this curve (.dat)

9qcj__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9qcj__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	36.71 Å
Rg (electron density)	36.25 Å
Total Rg	36.72 Å
Atom count	19978
Residues	1326
Excluded volume	178770 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9qcj__assembly_1__model_1`	hexameric （6）	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	Major phosphate-irrepressible acid phosphatase
Molecular weight formula_weight	27074.5 kDa
EC 编号 ec_number	3.1.3.2
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	10081

MKKNIIAGCLFSLFSLSALAAIPAGNDATTKPDLYYLKNEQAIDSLKLLPPPPEVGSIQFLNDQAMYEKGRMLRNTERGKQAQADADLAAGDVATAFSGAFGYPITEKDSPELYKLLTNMIEDAGDLATRSAKEHYMRIRPFAFYGTETCNTKDQKKLSTNGSYPSGHTSTGWATALVLAEVNPANQDAILERGYQLGQSRVICGYHWQSDVDAARIVGSAAVATLHSDPAFQAQLAKAKQEFAQKSQK

Source Source

Source organism organism	Morganella morganii
NCBI taxonomy ID ncbi_taxonomy_id	582
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	PHOSPHATE ION
Molecular weight formula_weight	95.0 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 3 Entity 3 non-polymer

Description description	DI(HYDROXYETHYL)ETHER
Molecular weight formula_weight	106.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	78

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Unit-cell length a length_a	116.380 Å
Unit-cell length b length_b	116.380 Å
Unit-cell length c length_c	94.540 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	18

Space group space_group	P 32 2 1
Space-group number int_tables_number	154
Crystal system crystal_system	trigonal

Resolution resolution	2.240 Å
Low-resolution limit resolution_low	50.390 Å
R factor r_factor	0.2064
R_work r_work	0.2046
R_free r_free	0.2360

Crystal structure of PhoC wild type acid phosphatase

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

Major phosphate-irrepressible acid phosphatase

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

9qcj__assembly_1__model_1

9qcj__assembly_1__model_1 | I(q)

9qcj__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

7. Citations (2)

Crystal structure of PhoC wild type acid phosphatase

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

Major phosphate-irrepressible acid phosphatase

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

9qcj__assembly_1__model_1

9qcj__assembly_1__model_1 | I(q)

9qcj__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

7. Citations (2)