SAXSdb — 1k7h

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

ALKALINE PHOSPHATASE

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ZINC ION × 3 SULFATE ION × 3 MALEIC ACID × 1 water × 1	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ZINC ION × 6 SULFATE ION × 6 MALEIC ACID × 3 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9BHT8_PANBO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–476； UniProt 1–473 Author chain B； PDBConstruct 4–476； UniProt 1–473

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	1k7h
Deposition date deposition_date	2001-10-19
Structure title title	CRYSTAL STRUCTURE OF SHRIMP ALKALINE PHOSPHATASE
Keywords keywords	HYDROLASE, TRANSFERASE, PHOSPHOMONOESTER, EXTENDED BETA SHEET, ZINC TRIAD, METAL TRIAD; HYDROLASE
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.

1k7h__assembly_1__model_1

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

Download this curve (.dat)

1k7h__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1k7h__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.84 Å
Rg (electron density)	22.78 Å
Total Rg	23.52 Å
Atom count	3772
Residues	476
Excluded volume	65985 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1k7h__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1k7h__assembly_2__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 (6)

Entity 1 Entity 1 polymer

Description description	ALKALINE PHOSPHATASE
Molecular weight formula_weight	53032.3 kDa
EC 编号 ec_number	3.1.3.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	8100

EEDKAYWNKDAQDALDKQLGIKLREKQAKNVIFFLGDGMSLSTVTAARIYKGGLTGKFEREKISWEEFDFAALSKTYNTDKQVTDSAASATAYLTGVKTNQGVIGLDANTVRTNCSYQLDESLFTYSIAHWFQEAGRSTGVVTSTRVTHATPAGTYAHVADRDWENDSDVVHDREDPEICDDIAEQLVFREPGKNFKVIMGGGRRGFFPEEALDIEDGIPGEREDGKHLITDWLDDKASQGATASYVWNRDDLLAVDIANTDYLMGLFSYTHLDTVLTRDAEMDPTLPEMTKVAIEMLTKDENGFFLLVEGGRIDHMHHANQIRQSLAETLDMEEAVSMALSMTDPEETIILVTADHGHTLTITGYADRNTDILDFAGISDLDDRRYTILDYGSGPGYHITEDGKRYEPTEEDLKDINFRYASAAPKHSATHDGTDVGIWVNGPFAHLFTGVYEENYIPHALAYAACVGTGRTFCD

Entity 2 Entity 2 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 4 Entity 4 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 5 Entity 5 non-polymer

Description description	MALEIC ACID
Molecular weight formula_weight	116.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	548

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1k7ha1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.76 — Alkaline phosphatase-like
Superfamily Superfamily superfamily	c.76.1 — Alkaline phosphatase-like
Family Family family	c.76.1.1 — Alkaline phosphatase

Domain ID domain_id	d1k7ha2
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	d1k7hb1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.76 — Alkaline phosphatase-like
Superfamily Superfamily superfamily	c.76.1 — Alkaline phosphatase-like
Family Family family	c.76.1.1 — Alkaline phosphatase

Domain ID domain_id	d1k7hb2
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	1k7hA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	720 — Alkaline Phosphatase, subunit A
Homologous superfamily homologous superfamily	10 — Alkaline Phosphatase, subunit A

Domain ID domain_id	1k7hB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	720 — Alkaline Phosphatase, subunit A
Homologous superfamily homologous superfamily	10 — Alkaline Phosphatase, subunit A

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Unit-cell length a length_a	171.169 Å
Unit-cell length b length_b	171.169 Å
Unit-cell length c length_c	84.332 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	16

Space group space_group	P 43 21 2
Space-group number int_tables_number	96
Crystal system crystal_system	—

Resolution resolution	1.920 Å
Low-resolution limit resolution_low	119.500 Å
R factor r_factor	0.2000
R_work r_work	0.1980
R_free r_free	0.2270

CRYSTAL STRUCTURE OF SHRIMP ALKALINE PHOSPHATASE

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

ALKALINE 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

1k7h__assembly_1__model_1

1k7h__assembly_1__model_1 | I(q)

1k7h__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 domains)

7. Citations (3)

CRYSTAL STRUCTURE OF SHRIMP ALKALINE PHOSPHATASE

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

ALKALINE 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

1k7h__assembly_1__model_1

1k7h__assembly_1__model_1 | I(q)

1k7h__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 domains)

7. Citations (3)