SAXSdb — 3o77

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

Myosin light chain kinase, smooth muscle,Green fluorescent protein,Green fluorescent protein,Calmodulin-1

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Monomer	Protein 1	CALCIUM ION × 2 SULFATE ION × 2 CHLORIDE ION × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CALM1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 269–415； UniProt 3–149

Myosin light chain kinase, smooth muscle,Green fluorescent protein,Green fluorescent protein,Calmodulin-1

Homo sapiens

UniProt P11799

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Monomer	Protein 1	CALCIUM ION × 2 SULFATE ION × 2 CHLORIDE ION × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MYLK_CHICK
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 5–24； UniProt 1730–1749

Myosin light chain kinase, smooth muscle,Green fluorescent protein,Green fluorescent protein,Calmodulin-1

Homo sapiens

UniProt P42212

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Monomer	Protein 1	CALCIUM ION × 2 SULFATE ION × 2 CHLORIDE ION × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GFP_AEQVI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 25–116； UniProt 147–238 Author chain A； PDBConstruct 126–268； UniProt 2–146

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	3o77
Deposition date deposition_date	2010-07-30
Structure title title	The structure of Ca2+ Sensor (Case-16)
Keywords keywords	;circular permutated green fluorescent protein, genetically encoded, fluorescent calcium indicator protein, calcium sensor, GFP Calmodulin M13-peptide, M13-peptide, GYG naturally modified tripeptide acts as chromophore, FLUORESCENT PROTEIN ;; FLUORESCENT 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.

3o77__assembly_1__model_1

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

Download this curve (.dat)

3o77__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3o77__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.19 Å
Rg (electron density)	23.17 Å
Total Rg	23.97 Å
Atom count	3069
Residues	388
Excluded volume	54077 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3o77__assembly_1__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 (5)

Entity 1 Entity 1 polymer

Description description	Myosin light chain kinase, smooth muscle,Green fluorescent protein,Green fluorescent protein,Calmodulin-1
Molecular weight formula_weight	46477.9 kDa
EC 编号 ec_number	2.7.11.18
Mutation mutation	POINT MUTATIONS
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	3214

GPGSSRRKWNKTGHAVRAIGRLSSLENVYIMADKQKNGIKANFKIRHNVEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSFQSVLSKDPNEKRDHMVLLEFVTAAGITLGMDELYNVDGGSGGTGSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKLICTTGKLPVPWPTLVTTLXLKCFARYPDHMKQHDFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIGFKEDGNILGHKLEYNSRDQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTAK

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

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	2

Entity 3 Entity 3 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

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

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	145

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	3o77A01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	238 — Recoverin; domain 1
Homologous superfamily homologous superfamily	10 — EF-hand

Domain ID domain_id	3o77A02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	155 — Green Fluorescent Protein
Homologous superfamily homologous superfamily	10 — Green fluorescent protein

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Unit-cell length a length_a	92.499 Å
Unit-cell length b length_b	106.941 Å
Unit-cell length c length_c	43.265 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	4

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

Resolution resolution	2.350 Å
Low-resolution limit resolution_low	70.010 Å
R factor r_factor	0.2015
R_work r_work	0.1977
R_free r_free	0.2740

The structure of Ca2+ Sensor (Case-16)

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

Myosin light chain kinase, smooth muscle,Green fluorescent protein,Green fluorescent protein,Calmodulin-1

State in the Current Structure

Other States of the Same Protein in the Database

Myosin light chain kinase, smooth muscle,Green fluorescent protein,Green fluorescent protein,Calmodulin-1

State in the Current Structure

Other States of the Same Protein in the Database

Myosin light chain kinase, smooth muscle,Green fluorescent protein,Green fluorescent protein,Calmodulin-1

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

3o77__assembly_1__model_1

3o77__assembly_1__model_1 | I(q)

3o77__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

The structure of Ca2+ Sensor (Case-16)

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

Myosin light chain kinase, smooth muscle,Green fluorescent protein,Green fluorescent protein,Calmodulin-1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Myosin light chain kinase, smooth muscle,Green fluorescent protein,Green fluorescent protein,Calmodulin-1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Myosin light chain kinase, smooth muscle,Green fluorescent protein,Green fluorescent protein,Calmodulin-1

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

3o77__assembly_1__model_1

3o77__assembly_1__model_1 | I(q)

3o77__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)