SAXSdb — 5nfj

▼

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

Mitochondrial ribonuclease P protein 1

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	S-ADENOSYLMETHIONINE × 1 GLYCEROL × 3 1,2-ETHANEDIOL × 2 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	S-ADENOSYLMETHIONINE × 1 GLYCEROL × 3 1,2-ETHANEDIOL × 2 water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	S-ADENOSYLMETHIONINE × 1 GLYCEROL × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MRRP1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–202； UniProt 203–403 Author chain B； PDBConstruct 2–202； UniProt 203–403 Author chain C； PDBConstruct 2–202； UniProt 203–403

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	5nfj
Deposition date deposition_date	2017-03-14
Structure title title	Crystal structure of the methyltransferase subunit of human mitochondrial Ribonuclease P (MRPP1) bound to S-adenosyl-methionine (SAM)
Keywords keywords	SPOUT, methylation, tRNA, TRMT10C, Structural Genomics, Structural Genomics Consortium, SGC, TRANSFERASE; TRANSFERASE
Experimental Method method	X-RAY DIFFRACTION

▼

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.

5nfj__assembly_1__model_1

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

Download this curve (.dat)

5nfj__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5nfj__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	17.34 Å
Rg (electron density)	16.03 Å
Total Rg	17.18 Å
Atom count	1523
Residues	178
Excluded volume	27337 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5nfj__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`5nfj__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`5nfj__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Description description	Mitochondrial ribonuclease P protein 1
Molecular weight formula_weight	23801.5 kDa
EC 编号 ec_number	2.1.1.-
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	4772

MQPLVFDMAYENYMKRKELQNTVSQLLESEGWNRRNVDPFHIYFCNLKIDGALHRELVKRYQEKWDKLLLTSTEKSHVDLFPKDSIIYLTADSPNVMTTFRHDKVYVIGSFVDKSMQPGTSLAKAKRLNLATECLPLDKYLQWEIGNKNLTLDQMIRILLCLKNNGNWQEALQFVPKRKHTGFLEISQHSQEFINRLKKAKT

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	S-ADENOSYLMETHIONINE
Molecular weight formula_weight	398.4 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 3 Entity 3 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	7

Entity 4 Entity 4 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	217

▶

Unit-cell length a length_a	82.640 Å
Unit-cell length b length_b	82.640 Å
Unit-cell length c length_c	148.620 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	12

Space group space_group	P 43
Space-group number int_tables_number	78
Crystal system crystal_system	—

Resolution resolution	1.960 Å
Low-resolution limit resolution_low	82.640 Å
R factor r_factor	0.1865
R_work r_work	0.1853
R_free r_free	0.2065

Crystal structure of the methyltransferase subunit of human mitochondrial Ribonuclease P (MRPP1) bound to S-adenosyl-methionine (SAM)

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

Mitochondrial ribonuclease P protein 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

5nfj__assembly_1__model_1

5nfj__assembly_1__model_1 | I(q)

5nfj__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

7. Citations (1)

Crystal structure of the methyltransferase subunit of human mitochondrial Ribonuclease P (MRPP1) bound to S-adenosyl-methionine (SAM)

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

Mitochondrial ribonuclease P protein 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

5nfj__assembly_1__model_1

5nfj__assembly_1__model_1 | I(q)

5nfj__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

7. Citations (1)