SAXSdb — 2esl

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

Peptidyl-prolyl cis-trans isomerase C

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	CYCLOSPORIN A × 1 CALCIUM ION × 1 ZINC ION × 1 SULFATE ION × 1 water × 2	Consistent with protein count
10	Protein heterocomplex	Heteromer	Protein 4	CYCLOSPORIN A × 2 CALCIUM ION × 1 ZINC ION × 1 SULFATE ION × 2 water × 4	Consistent with protein count
11	Protein heterocomplex	Heteromer	Protein 4	CYCLOSPORIN A × 2 CALCIUM ION × 1 ZINC ION × 1 SULFATE ION × 2 water × 4	Consistent with protein count
12	Protein heterocomplex	Heteromer	Protein 4	CYCLOSPORIN A × 2 CALCIUM ION × 1 SULFATE ION × 2 water × 4	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	CYCLOSPORIN A × 1 SULFATE ION × 1 water × 2	Consistent with protein count
3	Protein heterocomplex	Heteromer	Protein 2	CYCLOSPORIN A × 1 SULFATE ION × 1 water × 2	Consistent with protein count
4	Protein heterocomplex	Heteromer	Protein 2	CYCLOSPORIN A × 1 CALCIUM ION × 1 ZINC ION × 1 SULFATE ION × 1 water × 2	Consistent with protein count
5	Protein heterocomplex	Heteromer	Protein 2	CYCLOSPORIN A × 1 SULFATE ION × 1 water × 2	Consistent with protein count
6	Protein heterocomplex	Heteromer	Protein 2	CYCLOSPORIN A × 1 CALCIUM ION × 1 SULFATE ION × 1 water × 2	Consistent with protein count
7	Protein heterocomplex	Heteromer	Protein 12	CYCLOSPORIN A × 6 CALCIUM ION × 3 ZINC ION × 2 SULFATE ION × 6 water × 12	Consistent with protein count
8	Protein heterocomplex	Heteromer	Protein 6	CYCLOSPORIN A × 3 CALCIUM ION × 1 ZINC ION × 1 SULFATE ION × 3 water × 6	Consistent with protein count
9	Protein heterocomplex	Heteromer	Protein 6	CYCLOSPORIN A × 3 CALCIUM ION × 2 ZINC ION × 1 SULFATE ION × 3 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PPIC_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–190； UniProt 24–212 Author chain B； PDBConstruct 2–190； UniProt 24–212 Author chain C； PDBConstruct 2–190； UniProt 24–212 Author chain D； PDBConstruct 2–190； UniProt 24–212 Author chain E； PDBConstruct 2–190； UniProt 24–212 Author chain F； PDBConstruct 2–190； UniProt 24–212

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	2esl
Deposition date deposition_date	2005-10-26
Structure title title	Human Cyclophilin C in Complex with Cyclosporin A
Keywords keywords	;ISOMERASE-IMMUNOSUPPRESSANT COMPLEX, CYCLOPHILIN-CYCLOSPORIN COMPLEX, CYCLOSPORIN A, IMMUNOSUPRESSANT, CYCLOPHILIN, SGC, Structural Genomics, Structural Genomics Consortium ;; ISOMERASE/IMMUNOSUPPRESSANT
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.

2esl__assembly_5__model_1

Assembly 5 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2esl__assembly_5__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2esl__assembly_5__model_1 | P(r) · Pending

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

Rg（Guinier）	16.58 Å
Rg (electron density)	15.28 Å
Total Rg	16.55 Å
Atom count	1476
Residues	183
Excluded volume	26635 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2esl__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2esl__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2esl__assembly_3__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`2esl__assembly_4__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`2esl__assembly_5__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
6	1	`2esl__assembly_6__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
7	1	`2esl__assembly_7__model_1`	dodecameric （12）	Success	4.1.3-1-20251215 (887e7ef)	View Download
8	1	`2esl__assembly_8__model_1`	hexameric （6）	Success	4.1.3-1-20251215 (887e7ef)	View Download
9	1	`2esl__assembly_9__model_1`	hexameric （6）	Success	4.1.3-1-20251215 (887e7ef)	View Download
10	1	`2esl__assembly_10__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
11	1	`2esl__assembly_11__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
12	1	`2esl__assembly_12__model_1`	tetrameric （4）	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	Peptidyl-prolyl cis-trans isomerase C
Molecular weight formula_weight	20542.4 kDa
EC 编号 ec_number	5.2.1.8
Source method src_method	man
Copy count entity_count	6

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F
Atom count atom_count	9659

GSGAEGFRKRGPSVTAKVFFDVRIGDKDVGRIVIGLFGKVVPKTVENFVALATGEKGYGYKGSKFHRVIKDFMIQGGDITTGDGTGGVSIYGETFPDENFKLKHYGIGWVSMANAGPDTNGSQFFITLTKPTWLDGKHVVFGKVIDGMTVVHSIELQATDGHDRPLTNCSIINSGKIDVKTPFVVEIADW

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	ESCHERICHIA COLI BL21(DE3)

Entity 2 Entity 2 polymer

Description description	CYCLOSPORIN A
Molecular weight formula_weight	1220.6 kDa
Source method src_method	syn
Copy count entity_count	6

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I,J,K,L,M,N

ALLVTAGLVLA

Entity 3 Entity 3 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 4 Entity 4 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 non-polymer

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

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	798

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6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_id	d2esla1
Class class	b — All beta proteins
Fold Fold fold	b.62 — Cyclophilin-like
Superfamily Superfamily superfamily	b.62.1 — Cyclophilin-like
Family Family family	b.62.1.1 — Cyclophilin (peptidylprolyl isomerase)

Domain ID domain_id	d2eslb_
Class class	b — All beta proteins
Fold Fold fold	b.62 — Cyclophilin-like
Superfamily Superfamily superfamily	b.62.1 — Cyclophilin-like
Family Family family	b.62.1.1 — Cyclophilin (peptidylprolyl isomerase)

Domain ID domain_id	d2eslc_
Class class	b — All beta proteins
Fold Fold fold	b.62 — Cyclophilin-like
Superfamily Superfamily superfamily	b.62.1 — Cyclophilin-like
Family Family family	b.62.1.1 — Cyclophilin (peptidylprolyl isomerase)

Domain ID domain_id	d2esld_
Class class	b — All beta proteins
Fold Fold fold	b.62 — Cyclophilin-like
Superfamily Superfamily superfamily	b.62.1 — Cyclophilin-like
Family Family family	b.62.1.1 — Cyclophilin (peptidylprolyl isomerase)

Domain ID domain_id	d2esle_
Class class	b — All beta proteins
Fold Fold fold	b.62 — Cyclophilin-like
Superfamily Superfamily superfamily	b.62.1 — Cyclophilin-like
Family Family family	b.62.1.1 — Cyclophilin (peptidylprolyl isomerase)

Domain ID domain_id	d2eslf_
Class class	b — All beta proteins
Fold Fold fold	b.62 — Cyclophilin-like
Superfamily Superfamily superfamily	b.62.1 — Cyclophilin-like
Family Family family	b.62.1.1 — Cyclophilin (peptidylprolyl isomerase)

CATH v4.4 (6 domains)

Domain ID domain_id	2eslA00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	100 — Cyclophilin
Homologous superfamily homologous superfamily	10 — Cyclophilin-like

Domain ID domain_id	2eslB00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	100 — Cyclophilin
Homologous superfamily homologous superfamily	10 — Cyclophilin-like

Domain ID domain_id	2eslC00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	100 — Cyclophilin
Homologous superfamily homologous superfamily	10 — Cyclophilin-like

Domain ID domain_id	2eslD00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	100 — Cyclophilin
Homologous superfamily homologous superfamily	10 — Cyclophilin-like

Domain ID domain_id	2eslE00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	100 — Cyclophilin
Homologous superfamily homologous superfamily	10 — Cyclophilin-like

Domain ID domain_id	2eslF00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	100 — Cyclophilin
Homologous superfamily homologous superfamily	10 — Cyclophilin-like

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Unit-cell length a length_a	72.203 Å
Unit-cell length b length_b	123.802 Å
Unit-cell length c length_c	135.250 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	24

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	36.400 Å
R factor r_factor	0.1800
R_work r_work	0.1780
R_free r_free	0.2250

Human Cyclophilin C in Complex with Cyclosporin A

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

Peptidyl-prolyl cis-trans isomerase C

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

2esl__assembly_5__model_1

2esl__assembly_5__model_1 | I(q)

2esl__assembly_5__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

Source Source

Entity 2 Entity 2 polymer

Polymer 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) 12 domains

SCOP 2.08 (6 domains)

CATH v4.4 (6 domains)

7. Citations (1)

Human Cyclophilin C in Complex with Cyclosporin A

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

Peptidyl-prolyl cis-trans isomerase C

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

2esl__assembly_5__model_1

2esl__assembly_5__model_1 | I(q)

2esl__assembly_5__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

Source Source

Entity 2 Entity 2 polymer

Polymer 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) 12 domains

SCOP 2.08 (6 domains)

CATH v4.4 (6 domains)

7. Citations (1)