SAXSdb — 7l7q

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

Inner kinetochore subunit MCM16

Saccharomyces cerevisiae

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	Inner kinetochore subunit CTF3 × 1 （Q12748） Inner kinetochore subunit MCM22 × 1 （P47167）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CENPH_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain H； PDBConstruct 4–184； UniProt 1–181

Inner kinetochore subunit CTF3

Saccharomyces cerevisiae

UniProt Q12748

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	Inner kinetochore subunit MCM16 × 1 （Q12262） Inner kinetochore subunit MCM22 × 1 （P47167）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CENPI_YEAST
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain I； PDBConstruct 4–736； UniProt 1–733

Inner kinetochore subunit MCM22

Saccharomyces cerevisiae

UniProt P47167

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	Inner kinetochore subunit MCM16 × 1 （Q12262） Inner kinetochore subunit CTF3 × 1 （Q12748）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CENPK_YEAST
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain K； PDBConstruct 4–242； UniProt 1–239

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	7l7q
Deposition date deposition_date	2020-12-30
Structure title title	Ctf3c with Ulp2-KIM
Keywords keywords	kinetochore, cell cycle, sumo, DNA, chromosome segregation; CELL CYCLE
Experimental Method method	ELECTRON MICROSCOPY

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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.

7l7q__assembly_1__model_1

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

Download this curve (.dat)

7l7q__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7l7q__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	30.63 Å
Rg (electron density)	29.92 Å
Total Rg	30.47 Å
Atom count	5619
Residues	687
Excluded volume	101060 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7l7q__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 (3)

Entity 1 Entity 1 polymer

Description description	Inner kinetochore subunit MCM16
Molecular weight formula_weight	21438.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H
Atom count atom_count	5619

SNAMTNSSEKQWERIQQLEKEHVEVYRELLITLDRLYLIRKHNHAVILSHTQQRLLEIRHQLQINLEKTALLIRLLEKPDNTNVLFTKLQNLLEESNSLDYELLQSLGAQSSLHKQLIESRAERDELMSKLIELSSKFPKPTIPPDDSDTAGKQVEVEKENETIQELMIALQIHSGYTNISYTI

Source Source

Source organism organism	Saccharomyces cerevisiae
Common name common_name	;Baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Inner kinetochore subunit CTF3
Molecular weight formula_weight	84617.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

SNAMSLILDDIILSLTNANERTPPQALKTTLSLLYEKSKQYGLSSPQLQALVRLLCETSIIDTVTKVYIVENCFLPDGYLTKELLLEIINHLGTPTVFSRYRIQTPPVLQSALCKWLVHVYFLFPVHSEREHNISSSIWLHLWQFSFLQKWITPLVIWQATTPVDVKPWKLSIIKRCAMHPGYRDAPGSATLILQRFQCLVGASSQITESIITINCNRKTLKSHRNLKLDAHFLSILKRILSRAHPANFPADTVQNTIDMYLSEIHQLGADSIYPLRLQSLPEYVPSDSTVSLWDVTSLEQLAQNWPQLHIPNDVDYMMKPSLNSNVLLPRKVMSRDSLKHLYSSIILIKNSRDESSSPYEWCIWQLKRCFAHQIETPQEVIPIIISVSSMDNKLSSRIIQTFCNLKYLKLDELTLKKVCGGILPLWKPELISGTREFFVKFMASIFMWSTRDGHDNNCTFSETCFYVLQMITNWVLDDKLIALGLTLLHDMQSLLTLDKIFNNATSNRFSTMAFISSLDILTQLSKQTKSDYAIQYLIVGPDIMNKVFSSDDPLLLSAACRYLVATKNKLMQYPSTNKFVRMQNQYIMDLTNYLYRNKVLSSKSLFGVSPDFFKQILENLYIPTADFKNAKFFTITGIPALSYICIIILRRLETAENTKIKFTSGIINEETFNNFFRVHHDEIGQHGWIKGVNNIHDLRVKILMHLSNTANPYRDIAAFLFTYLKSLSKYSVQNS

Source Source

Source organism organism	Saccharomyces cerevisiae
Common name common_name	;Baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 polymer

Description description	Inner kinetochore subunit MCM22
Molecular weight formula_weight	27874.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

SNAMDVEKDVLDVYIKNLENQIGNKRYFLKQAQGAIDEITKRSLDTEGKPVNSEVFTELLRKPMFFSERADPIGFSLTSNFLSLRAQSSSEWLSLMNDQSVDQKAMLLLQNNINSDLKELLRKLQHQMTIMDSKKQDHAHIRTRKARNKELWDSLADFLKGYLVPNLDDNDESIDSLTNEVMLLMKRLIEHDLNLTLNDFSSKTIPIYRLLLRANIITVIEGSTNPGTKYIKLIDFNETSLT

Source Source

Source organism organism	Saccharomyces cerevisiae
Common name common_name	;Baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	Escherichia coli

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 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	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	3.70 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	96787

Ctf3c with Ulp2-KIM

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

Inner kinetochore subunit MCM16

State in the Current Structure

Other States of the Same Protein in the Database

Inner kinetochore subunit CTF3

State in the Current Structure

Other States of the Same Protein in the Database

Inner kinetochore subunit MCM22

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

7l7q__assembly_1__model_1

7l7q__assembly_1__model_1 | I(q)

7l7q__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (3)

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

Source Source

7. Citations (1)

Ctf3c with Ulp2-KIM

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

Inner kinetochore subunit MCM16

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Inner kinetochore subunit CTF3

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Inner kinetochore subunit MCM22

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

7l7q__assembly_1__model_1

7l7q__assembly_1__model_1 | I(q)

7l7q__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (3)

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

Source Source

7. Citations (1)