SAXSdb — 1d8d

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

farnesyltransferase (alpha subunit)

Rattus norvegicus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	farnesyltransferase (beta subunit) × 1 （Q02293） K-RAS4B PEPTIDE SUBSTRATE × 1 （P01116） ZINC ION × 1 ACETATE ION × 4 [(3,7,11-TRIMETHYL-DODECA-2,6,10-TRIENYLOXYCARBAMOYL)-METHYL]-PHOSPHONIC ACID × 1 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PFTA_RAT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–377； UniProt 1–377

farnesyltransferase (beta subunit)

Rattus norvegicus

UniProt Q02293

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	farnesyltransferase (alpha subunit) × 1 （Q04631） K-RAS4B PEPTIDE SUBSTRATE × 1 （P01116） ZINC ION × 1 ACETATE ION × 4 [(3,7,11-TRIMETHYL-DODECA-2,6,10-TRIENYLOXYCARBAMOYL)-METHYL]-PHOSPHONIC ACID × 1 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PFTB_RAT
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–437； UniProt 1–437

K-RAS4B PEPTIDE SUBSTRATE

OrganismNot specified

UniProt P01116

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	farnesyltransferase (alpha subunit) × 1 （Q04631） farnesyltransferase (beta subunit) × 1 （Q02293） ZINC ION × 1 ACETATE ION × 4 [(3,7,11-TRIMETHYL-DODECA-2,6,10-TRIENYLOXYCARBAMOYL)-METHYL]-PHOSPHONIC ACID × 1 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RASK_HUMAN
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain P； PDBConstruct 1–11； UniProt 178–188

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	1d8d
Deposition date deposition_date	1999-10-22
Structure title title	CO-CRYSTAL STRUCTURE OF RAT PROTEIN FARNESYLTRANSFERASE COMPLEXED WITH A K-RAS4B PEPTIDE SUBSTRATE AND FPP ANALOG AT 2.0A RESOLUTION
Keywords keywords	FTASE, PFT, PFTASE, FARNESYLTRANSFERASE, FARNESYL TRANSFERASE, CAAX, RAS, CANCER, TRANSFERASE; TRANSFERASE
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.

1d8d__assembly_1__model_1

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

Download this curve (.dat)

1d8d__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1d8d__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	27.44 Å
Rg (electron density)	26.47 Å
Total Rg	27.28 Å
Atom count	6077
Residues	741
Excluded volume	107960 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1d8d__assembly_1__model_1`	trimeric （3）	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 (7)

Entity 1 Entity 1 polymer

Description description	farnesyltransferase (alpha subunit)
Molecular weight formula_weight	44098.1 kDa
EC 编号 ec_number	2.5.1.21
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	6524

MAATEGVGESAPGGEPGQPEQPPPPPPPPPAQQPQEEEMAAEAGEAAASPMDDGFLSLDSPTYVLYRDRAEWADIDPVPQNDGPSPVVQIIYSEKFRDVYDYFRAVLQRDERSERAFKLTRDAIELNAANYTVWHFRRVLLRSLQKDLQEEMNYIIAIIEEQPKNYQVWHHRRVLVEWLKDPSQELEFIADILNQDAKNYHAWQHRQWVIQEFRLWDNELQYVDQLLKEDVRNNSVWNQRHFVISNTTGYSDRAVLEREVQYTLEMIKLVPHNESAWNYLKGILQDRGLSRYPNLLNQLLDLQPSHSSPYLIAFLVDIYEDMLENQCDNKEDILNKALELCEILAKEKDTIRKEYWRYIGRSLQSKHSRESDIPASV

Source Source

Source organism organism	Rattus norvegicus
Common name common_name	Norway rat
NCBI taxonomy ID ncbi_taxonomy_id	10116
Host organism host_organism	Spodoptera frugiperda

Entity 2 Entity 2 polymer

Description description	farnesyltransferase (beta subunit)
Molecular weight formula_weight	48722.3 kDa
EC 编号 ec_number	2.5.1.21
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MASSSSFTYYCPPSSSPVWSEPLYSLRPEHARERLQDDSVETVTSIEQAKVEEKIQEVFSSYKFNHLVPRLVLQREKHFHYLKRGLRQLTDAYECLDASRPWLCYWILHSLELLDEPIPQIVATDVCQFLELCQSPDGGFGGGPGQYPHLAPTYAAVNALCIIGTEEAYNVINREKLLQYLYSLKQPDGSFLMHVGGEVDVRSAYCAASVASLTNIITPDLFEGTAEWIARCQNWEGGIGGVPGMEAHGGYTFCGLAALVILKKERSLNLKSLLQWVTSRQMRFEGGFQGRCNKLVDGCYSFWQAGLLPLLHRALHAQGDPALSMSHWMFHQQALQEYILMCCQCPAGGLLDKPGKSRDFYHTCYCLSGLSIAQHFGSGAMLHDVVMGVPENVLQPTHPVYNIGPDKVIQATTHFLQKPVPGFEECEDAVTSDPATD

Source Source

Source organism organism	Rattus norvegicus
Common name common_name	Norway rat
NCBI taxonomy ID ncbi_taxonomy_id	10116
Host organism host_organism	Spodoptera frugiperda

Entity 3 Entity 3 polymer

Description description	K-RAS4B PEPTIDE SUBSTRATE
Molecular weight formula_weight	1298.7 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	P

KKKSKTKCVIM

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	1

Entity 5 Entity 5 non-polymer

Description description	ACETATE ION
Molecular weight formula_weight	59.0 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 6 Entity 6 non-polymer

Description description	[(3,7,11-TRIMETHYL-DODECA-2,6,10-TRIENYLOXYCARBAMOYL)-METHYL]-PHOSPHONIC ACID
Molecular weight formula_weight	359.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	447

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1d8da_
Class class	a — All alpha proteins
Fold Fold fold	a.118 — alpha-alpha superhelix
Superfamily Superfamily superfamily	a.118.6 — Protein prenylyltransferase
Family Family family	a.118.6.1 — Protein prenylyltransferase

Domain ID domain_id	d1d8db_
Class class	a — All alpha proteins
Fold Fold fold	a.102 — alpha/alpha toroid
Superfamily Superfamily superfamily	a.102.4 — Terpenoid cyclases/Protein prenyltransferases
Family Family family	a.102.4.3 — Protein prenyltransferases

CATH v4.4 (2 domains)

Domain ID domain_id	1d8dA00
Class class	1 — Mainly Alpha
Architecture architecture	25 — Alpha Horseshoe
Topology topology	40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily	120 — Protein prenylyltransferase

Domain ID domain_id	1d8dB00
Class class	1 — Mainly Alpha
Architecture architecture	50 — Alpha/alpha barrel
Topology topology	10 — Glycosyltransferase
Homologous superfamily homologous superfamily	20 —

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Unit-cell length a length_a	170.919 Å
Unit-cell length b length_b	170.919 Å
Unit-cell length c length_c	69.284 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	6

Space group space_group	P 61
Space-group number int_tables_number	169
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	35.000 Å
R factor r_factor	0.1660
R_work r_work	0.1640
R_free r_free	0.2000

CO-CRYSTAL STRUCTURE OF RAT PROTEIN FARNESYLTRANSFERASE COMPLEXED WITH A K-RAS4B PEPTIDE SUBSTRATE AND FPP ANALOG AT 2.0A RESOLUTION

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

farnesyltransferase (alpha subunit)

State in the Current Structure

Other States of the Same Protein in the Database

farnesyltransferase (beta subunit)

State in the Current Structure

Other States of the Same Protein in the Database

K-RAS4B PEPTIDE SUBSTRATE

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

1d8d__assembly_1__model_1

1d8d__assembly_1__model_1 | I(q)

1d8d__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (3)

CO-CRYSTAL STRUCTURE OF RAT PROTEIN FARNESYLTRANSFERASE COMPLEXED WITH A K-RAS4B PEPTIDE SUBSTRATE AND FPP ANALOG AT 2.0A RESOLUTION

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

farnesyltransferase (alpha subunit)

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

farnesyltransferase (beta subunit)

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

K-RAS4B PEPTIDE SUBSTRATE

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

1d8d__assembly_1__model_1

1d8d__assembly_1__model_1 | I(q)

1d8d__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (3)