6ofd

The crystal structure of octadecyloxy(naphthalen-1-yl)methylphosphonic acid in complex with red kidney bean purple acid phosphatase

Method: X-RAY DIFFRACTION

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

Fe(3+)-Zn(2+) purple acid phosphatase

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Homooligomer	Protein 4 其他Polymer 10	alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose × 3 ;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 4 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 alpha-L-fucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ZINC ION × 4 FE (III) ION × 4 2-acetamido-2-deoxy-beta-D-glucopyranose × 7 [(S)-(naphthalen-1-yl)(octadecyloxy)methyl]phosphonic acid × 1 SODIUM ION × 5 SULFATE ION × 19 1,2-ETHANEDIOL × 7 TRIETHYLENE GLYCOL × 3 GLYCEROL × 1 CHLORIDE ION × 1 water × 4	Consistent with protein count
2	Other combination	Homooligomer	Protein 2 其他Polymer 5	alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 alpha-L-fucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ZINC ION × 2 FE (III) ION × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 [(S)-(naphthalen-1-yl)(octadecyloxy)methyl]phosphonic acid × 1 SODIUM ION × 3 SULFATE ION × 8 1,2-ETHANEDIOL × 2 TRIETHYLENE GLYCOL × 3 GLYCEROL × 1 CHLORIDE ION × 1 water × 2	Consistent with protein count
3	Other combination	Homooligomer	Protein 2 其他Polymer 5	alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 3 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ZINC ION × 2 FE (III) ION × 2 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 SODIUM ION × 2 SULFATE ION × 11 1,2-ETHANEDIOL × 5 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PPAF_PHAVU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–459； UniProt 1–459 Author chain B； PDBConstruct 1–459； UniProt 1–459 Author chain C； PDBConstruct 1–459； UniProt 1–459 Author chain D； PDBConstruct 1–459； UniProt 1–459

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	6ofd
Deposition date deposition_date	2019-03-29
Structure title title	The crystal structure of octadecyloxy(naphthalen-1-yl)methylphosphonic acid in complex with red kidney bean purple acid phosphatase
Keywords keywords	Purple acid phosphatase, metallohydrolases, transition state, catalysis, osteoporosis, METAL BINDING PROTEIN; METAL BINDING 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.

6ofd__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

6ofd__assembly_3__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6ofd__assembly_3__model_1 | P(r) · Pending

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

Rg（Guinier）	31.08 Å
Rg (electron density)	30.11 Å
Total Rg	30.96 Å
Atom count	7344
Residues	848
Excluded volume	129290 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6ofd__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`6ofd__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`6ofd__assembly_3__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 (17)

Entity 1 Entity 1 polymer

Description description	Fe(3+)-Zn(2+) purple acid phosphatase
Molecular weight formula_weight	52926.4 kDa
EC 编号 ec_number	3.1.3.2
Source method src_method	nat
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,D,C
Atom count atom_count	16494

MGVVKGLLALALVLNVVVVSNGGKSSNFVRKTNKNRDMPLDSDVFRVPPGYNAPQQVHITQGDLVGRAMIISWVTMDEPGSSAVRYWSEKNGRKRIAKGKMSTYRFFNYSSGFIHHTTIRKLKYNTKYYYEVGLRNTTRRFSFITPPQTGLDVPYTFGLIGDLGQSFDSNTTLSHYELSPKKGQTVLFVGDLSYADRYPNHDNVRWDTWGRFTERSVAYQPWIWTAGNHEIEFAPEINETEPFKPFSYRYHVPYEASQSTSPFWYSIKRASAHIIVLSSYSAYGRGTPQYTWLKKELRKVKRSETPWLIVLMHSPLYNSYNHHFMEGEAMRTKFEAWFVKYKVDVVFAGHVHAYERSERVSNIAYKITNGLCTPVKDQSAPVYITIGDAGNYGVIDSNMIQPQPEYSAFREASFGHGMFDIKNRTHAHFSWNRNQDGVAVEADSVWFFNRHWYPVDDST

Entity 2 Entity 2 branched

Description description	alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	570.5 kDa
Source method src_method	man
Copy count entity_count	3

Entity 3 Entity 3 branched

Description description	;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	732.7 kDa
Source method src_method	man
Copy count entity_count	4

Entity 4 Entity 4 branched

Description description	;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	1057.0 kDa
Source method src_method	man
Copy count entity_count	1

Entity 5 Entity 5 branched

Description description	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	586.5 kDa
Source method src_method	man
Copy count entity_count	1

Entity 6 Entity 6 branched

Description description	alpha-L-fucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	367.3 kDa
Source method src_method	man
Copy count entity_count	1

Entity 7 Entity 7 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 8 Entity 8 non-polymer

Description description	FE (III) ION
Molecular weight formula_weight	55.8 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 9 Entity 9 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	7

Entity 10 Entity 10 non-polymer

Description description	[(S)-(naphthalen-1-yl)(octadecyloxy)methyl]phosphonic acid
Molecular weight formula_weight	490.7 kDa
Source method src_method	nat
Copy count entity_count	1

Entity 11 Entity 11 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	5

Entity 12 Entity 12 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	nat
Copy count entity_count	19

Entity 13 Entity 13 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	man
Copy count entity_count	7

Entity 14 Entity 14 non-polymer

Description description	TRIETHYLENE GLYCOL
Molecular weight formula_weight	150.2 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 15 Entity 15 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 16 Entity 16 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 17 Entity 17 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1699

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6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d6ofda1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.12 — Purple acid phosphatase, N-terminal domain
Family Family family	b.1.12.0 — automated matches

Domain ID domain_id	d6ofda2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.159 — Metallo-dependent phosphatases
Superfamily Superfamily superfamily	d.159.1 — Metallo-dependent phosphatases
Family Family family	d.159.1.1 — Purple acid phosphatase-like

Domain ID domain_id	d6ofdb1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.12 — Purple acid phosphatase, N-terminal domain
Family Family family	b.1.12.0 — automated matches

Domain ID domain_id	d6ofdb2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.159 — Metallo-dependent phosphatases
Superfamily Superfamily superfamily	d.159.1 — Metallo-dependent phosphatases
Family Family family	d.159.1.1 — Purple acid phosphatase-like

Domain ID domain_id	d6ofdc1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.12 — Purple acid phosphatase, N-terminal domain
Family Family family	b.1.12.0 — automated matches

Domain ID domain_id	d6ofdc2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.159 — Metallo-dependent phosphatases
Superfamily Superfamily superfamily	d.159.1 — Metallo-dependent phosphatases
Family Family family	d.159.1.1 — Purple acid phosphatase-like

Domain ID domain_id	d6ofdd1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.12 — Purple acid phosphatase, N-terminal domain
Family Family family	b.1.12.0 — automated matches

Domain ID domain_id	d6ofdd2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.159 — Metallo-dependent phosphatases
Superfamily Superfamily superfamily	d.159.1 — Metallo-dependent phosphatases
Family Family family	d.159.1.1 — Purple acid phosphatase-like

CATH v4.4 (8 domains)

Domain ID domain_id	6ofdA01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	380 — Purple acid phosphatase-like, N-terminal

Domain ID domain_id	6ofdA02
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	21 — Purple Acid Phosphatase; chain A, domain 2
Homologous superfamily homologous superfamily	10 — Metallo-dependent phosphatases

Domain ID domain_id	6ofdB01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	380 — Purple acid phosphatase-like, N-terminal

Domain ID domain_id	6ofdB02
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	21 — Purple Acid Phosphatase; chain A, domain 2
Homologous superfamily homologous superfamily	10 — Metallo-dependent phosphatases

Domain ID domain_id	6ofdC01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	380 — Purple acid phosphatase-like, N-terminal

Domain ID domain_id	6ofdC02
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	21 — Purple Acid Phosphatase; chain A, domain 2
Homologous superfamily homologous superfamily	10 — Metallo-dependent phosphatases

Domain ID domain_id	6ofdD01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	380 — Purple acid phosphatase-like, N-terminal

Domain ID domain_id	6ofdD02
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	21 — Purple Acid Phosphatase; chain A, domain 2
Homologous superfamily homologous superfamily	10 — Metallo-dependent phosphatases

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Unit-cell length a length_a	126.174 Å
Unit-cell length b length_b	126.174 Å
Unit-cell length c length_c	298.044 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	24

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

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	20.045 Å
R factor r_factor	0.1574
R_work r_work	0.1552
R_free r_free	0.1994

The crystal structure of octadecyloxy(naphthalen-1-yl)methylphosphonic acid in complex with red kidney bean purple acid phosphatase

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

Fe(3+)-Zn(2+) purple 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

6ofd__assembly_3__model_1

6ofd__assembly_3__model_1 | I(q)

6ofd__assembly_3__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 (17)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 branched

Entity 3 Entity 3 branched

Entity 4 Entity 4 branched

Entity 5 Entity 5 branched

Entity 6 Entity 6 branched

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 non-polymer

Entity 10 Entity 10 non-polymer

Entity 11 Entity 11 non-polymer

Entity 12 Entity 12 non-polymer

Entity 13 Entity 13 non-polymer

Entity 14 Entity 14 non-polymer

Entity 15 Entity 15 non-polymer

Entity 16 Entity 16 non-polymer

Entity 17 Entity 17 water

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)

The crystal structure of octadecyloxy(naphthalen-1-yl)methylphosphonic acid in complex with red kidney bean purple acid phosphatase

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

Fe(3+)-Zn(2+) purple 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

6ofd__assembly_3__model_1

6ofd__assembly_3__model_1 | I(q)

6ofd__assembly_3__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 (17)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 branched

Entity 3 Entity 3 branched

Entity 4 Entity 4 branched

Entity 5 Entity 5 branched

Entity 6 Entity 6 branched

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 non-polymer

Entity 10 Entity 10 non-polymer

Entity 11 Entity 11 non-polymer

Entity 12 Entity 12 non-polymer

Entity 13 Entity 13 non-polymer

Entity 14 Entity 14 non-polymer

Entity 15 Entity 15 non-polymer

Entity 16 Entity 16 non-polymer

Entity 17 Entity 17 water

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)