SAXSdb — 1cjy

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

PROTEIN (CYTOSOLIC PHOSPHOLIPASE A2)

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	CALCIUM ION × 2 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	CALCIUM ION × 2 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PA24A_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–749； UniProt 1–749 Author chain B； PDBConstruct 1–749； UniProt 1–749

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	1cjy
Deposition date deposition_date	1999-04-20
Structure title title	HUMAN CYTOSOLIC PHOSPHOLIPASE A2
Keywords keywords	PHOSPHOLIPASE, LIPID-BINDING, HYDROLASE; 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.

1cjy__assembly_1__model_1

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

Download this curve (.dat)

1cjy__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1cjy__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	29.24 Å
Rg (electron density)	28.65 Å
Total Rg	29.29 Å
Atom count	4890
Residues	633
Excluded volume	87531 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1cjy__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1cjy__assembly_2__model_1`	monomeric （1）	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	PROTEIN (CYTOSOLIC PHOSPHOLIPASE A2)
Molecular weight formula_weight	85309.7 kDa
EC 编号 ec_number	3.1.1.4
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	9706

MSFIDPYQHIIVEHQYSHKFTVVVLRATKVTKGAFGDMLDTPDPYVELFISTTPDSRKRTRHFNNDINPVWNETFEFILDPNQENVLEITLMDANYVMDETLGTATFTVSSMKVGEKKEVPFIFNQVTEMVLEMSLEVCSCPDLRFSMALCDQEKTFRQQRKEHIRESMKKLLGPKNSEGLHSARDVPVVAILGSGGGFRAMVGFSGVMKALYESGILDCATYVAGLSGSTWYMSTLYSHPDFPEKGPEEINEELMKNVSHNPLLLLTPQKVKRYVESLWKKKSSGQPVTFTDIFGMLIGETLIHNRMNTTLSSLKEKVNTAQCPLPLFTCLHVKPDVSELMFADWVEFSPYEIGMAKYGTFMAPDLFGSKFFMGTVVKKYEENPLHFLMGVWGSAFSILFNRVLGVSGSQSRGSTMEEELENITTKHIVSNDSSDSDDESHEPKGTENEDAGSDYQSDNQASWIHRMIMALVSDSALFNTREGRAGKVHNFMLGLNLNTSYPLSPLSDFATQDSFDDDELDAAVADPDEFERIYEPLDVKSKKIHVVDSGLTFNLPYPLILRPQRGVDLIISFDFSARPSDSSPPFKELLLAEKWAKMNKLPFPKIDPYVFDREGLKECYVFKPKNPDMEKDCPTIIHFVLANINFRKYKAPGVPRETEEEKEIADFDIFDDPESPFSTFNFQYPNQAFKRLHDLMHFNTLNNIDVIKEAMVESIEYRRQNPSRCSVSLSNVEARRFFNKEFLSKPKA

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Cricetulus griseus

Entity 2 Entity 2 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 non-polymer

Description description	2-(N-MORPHOLINO)-ETHANESULFONIC ACID
Molecular weight formula_weight	195.2 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	58

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1cjya1
Class class	b — All beta proteins
Fold Fold fold	b.7 — C2 domain-like
Superfamily Superfamily superfamily	b.7.1 — C2 domain (Calcium/lipid-binding domain, CaLB)
Family Family family	b.7.1.1 — PLC-like (P variant)

Domain ID domain_id	d1cjya2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.19 — FabD/lysophospholipase-like
Superfamily Superfamily superfamily	c.19.1 — FabD/lysophospholipase-like
Family Family family	c.19.1.2 — Lysophospholipase

Domain ID domain_id	d1cjyb1
Class class	b — All beta proteins
Fold Fold fold	b.7 — C2 domain-like
Superfamily Superfamily superfamily	b.7.1 — C2 domain (Calcium/lipid-binding domain, CaLB)
Family Family family	b.7.1.1 — PLC-like (P variant)

Domain ID domain_id	d1cjyb2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.19 — FabD/lysophospholipase-like
Superfamily Superfamily superfamily	c.19.1 — FabD/lysophospholipase-like
Family Family family	c.19.1.2 — Lysophospholipase

CATH v4.4 (4 domains)

Domain ID domain_id	1cjyA01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	150 — C2 domain

Domain ID domain_id	1cjyA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1090 — Cytosolic phospholipase A2 catalytic domain
Homologous superfamily homologous superfamily	10 — Cytosolic phospholipase A2 catalytic domain

Domain ID domain_id	1cjyB01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	150 — C2 domain

Domain ID domain_id	1cjyB02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1090 — Cytosolic phospholipase A2 catalytic domain
Homologous superfamily homologous superfamily	10 — Cytosolic phospholipase A2 catalytic domain

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Unit-cell length a length_a	153.590 Å
Unit-cell length b length_b	95.490 Å
Unit-cell length c length_c	139.130 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	8

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.500 Å
Low-resolution limit resolution_low	12.000 Å
R factor r_factor	0.2290
R_work r_work	0.2290
R_free r_free	0.2980

HUMAN CYTOSOLIC PHOSPHOLIPASE A2

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

PROTEIN (CYTOSOLIC PHOSPHOLIPASE A2)

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

1cjy__assembly_1__model_1

1cjy__assembly_1__model_1 | I(q)

1cjy__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

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

HUMAN CYTOSOLIC PHOSPHOLIPASE A2

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

PROTEIN (CYTOSOLIC PHOSPHOLIPASE A2)

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

1cjy__assembly_1__model_1

1cjy__assembly_1__model_1 | I(q)

1cjy__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

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)