4C8S: C-terminal region of yeast Ctf4

Crystal structure of the C-terminal region of yeast Ctf4. Determined by X-ray diffraction at 3.0 Å resolution. Released 30 Apr 2014.

Method: X-ray diffraction
Resolution: 3.0 Å
Organism: SACCHAROMYCES CEREVISIAE
Chains: 3
Atoms: 9,447
Mol. weight: 163.34 kDa
Released: 30 Apr 2014

Explore 4C8S in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4C8S contains 33 α-helices and 75 β-strands across 3 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 13 helices, 25 β-strands

Element	Residues	Length	Sheet
β-strand	479	1	1
β-strand	491-496	6	2
β-strand	500-507	8	2
β-strand	510-517	8	2
β-strand	526-530	5	2
β-strand	536-539	4	3
β-strand	543-547	5	3
β-strand	553-558	6	3
α-helix	564-565	2
β-strand	566-569	4	3
β-strand	578-583	6	1
β-strand	588-592	5	1
β-strand	596-600	5	1
β-strand	606-611	6	1
α-helix	614	1
β-strand	615-621	7	4
β-strand	624-630	7	4
β-strand	636-643	8	4
β-strand	648-656	9	4
α-helix	659-662	4
α-helix	674-679	6
β-strand	686-689	4	5
β-strand	695-698	4	5
β-strand	703-708	6	5
α-helix	713-715	3
β-strand	717-723	7	5
α-helix	724-731	8
β-strand	740-748	9	6
β-strand	751-758	8	6
α-helix	768-771	4
β-strand	772-775	4	6
β-strand	777	1	5
α-helix	783-790	8
α-helix	819-843	25
α-helix	851-875	25
α-helix	879-887	9
α-helix	892-904	13
α-helix	908-924	17

Chain B: 14 helices, 26 β-strands

Element	Residues	Length	Sheet
β-strand	479	1	7
β-strand	491-496	6	8
β-strand	500-507	8	8
β-strand	510-517	8	8
β-strand	526-530	5	8
β-strand	536-539	4	9
β-strand	543-547	5	9
β-strand	553-558	6	9
α-helix	564-565	2
β-strand	566-569	4	9
β-strand	578-583	6	7
β-strand	588-592	5	7
β-strand	596-600	5	7
β-strand	606	1	7
β-strand	610-611	2	7
α-helix	614	1
β-strand	615-621	7	10
β-strand	624-630	7	10
β-strand	636-643	8	10
β-strand	648-656	9	10
α-helix	659-662	4
α-helix	667-669	3
α-helix	674-679	6
β-strand	686-689	4	11
β-strand	695-698	4	11
β-strand	703-708	6	11
α-helix	713-715	3
β-strand	717-723	7	11
α-helix	724-731	8
β-strand	740-748	9	12
β-strand	751-758	8	12
α-helix	768-771	4
β-strand	772-775	4	12
β-strand	777	1	11
α-helix	783-795	13
α-helix	819-844	26
α-helix	851-875	25
α-helix	879-887	9
α-helix	892-904	13
α-helix	908-926	19

Chain C: 6 helices, 24 β-strands

Element	Residues	Length	Sheet
β-strand	479	1	5
β-strand	491-496	6	13
β-strand	500-506	7	13
β-strand	511-517	7	13
β-strand	526-530	5	13
β-strand	536-539	4	14
β-strand	543-547	5	14
β-strand	553-558	6	14
α-helix	564-565	2
β-strand	566-569	4	14
β-strand	578-583	6	5
β-strand	588-592	5	5
β-strand	596-600	5	5
β-strand	606-611	6	5
α-helix	614	1
β-strand	615-621	7	15
β-strand	624-631	8	15
β-strand	635-643	9	15
β-strand	648-656	9	15
α-helix	659-662	4
α-helix	674-679	6
β-strand	686-689	4	16
β-strand	695-698	4	16
β-strand	703-708	6	16
β-strand	717-723	7	16
α-helix	724-731	8
β-strand	740-748	9	17
β-strand	751-758	8	17
α-helix	768-771	4
β-strand	772-775	4	17

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
DNA polymerase alpha-binding protein	A, B, C	protein	478	SACCHAROMYCES CEREVISIAE	Q01454 (AlphaFold model)

Sequence of entity 1 (A, B, C), FASTA

>4C8S_1 DNA POLYMERASE ALPHA-BINDING PROTEIN (chains A, B, C)
MGSSHHHHHHSQDPENLYFQGTGKFRYMPFSPAGTPFGFTDRRYLTMNEVGYVSTVKNSE
QYSITVSFFDVGRFREYHFEDLFGYDLCFLNEKGTLFGQSKTGQIQYRPHDSIHSNWTKI
IPLQAGERITSVAATPVRVIVGTSLGYFRSFNQFGVPFAVEKTSPIVALTAQNYRVFSVH
YSQFHGLSYSLSELGTSSKRYYKRECPLPMSLPNINSDMKKDANLDYYNFNPMGIKSLFF
SSYGDPCIFGSDNTLLLLSKWRSPEESKWLPILDSNMEIWKMSGGKETTDIHVWPLALAY
DTLNCILVKGKHIWPEFPLPLPSEMEIRMPVFVKSKLLEENKAILNKKNEIGADTEAEEG
EEDKEIQIPVSMAAEEEYLRSKVLSELLTDTLENDGEMYGNENEVLAALNGAYDKALLRL
FASACSDQNVEKALSLAHELKQDRALTAAVKISERAELPSLVKKINNIREARYEQQLK

Primary citation

A Ctf4 Trimer Couples the Cmg Helicase to DNA Polymerase a in the Eukaryotic Replisome. Simon, A.C., Zhou, J.C., Perera, R.L. et al. Nature (2014) 510:293. DOI 10.1038/NATURE13234 · PubMed

Other PDB entries of the same protein (UniProt Q01454 (AlphaFold model), which also has an AlphaFold model), best resolution first:

5NXQ 2.41 Å, Crystal structure of the carboxy-terminal domain of yeast Ctf4 bound to a stapled Sld5 CIP
4C8H 2.69 Å, Crystal structure of the C-terminal region of yeast Ctf4, selenomethionine protein.
4C93 2.69 Å, Crystal structure of the carboxy-terminal domain of yeast Ctf4 bound to Pol alpha.
4C95 2.69 Å, Crystal structure of the carboxy-terminal domain of yeast Ctf4 bound to Sld5
8KG6 3.07 Å, Yeast replisome in state I
5HOG 3.09 Å, Crystal structure of the carboxy-terminal domain of yeast Ctf4 bound to Dna2.
7PMK 3.2 Å, S. cerevisiae replisome-SCF(Dia2) complex bound to double-stranded DNA (conformation I)
7PMN 3.2 Å, S. cerevisiae replisome-SCF(Dia2) complex bound to double-stranded DNA (conformation II)
5HOI 3.3 Å, Crystal structure of the carboxy-terminal domain of yeast Ctf4 bound to Tof2.
8B9A 3.5 Å, S. cerevisiae replisome + Ctf4, bound by pol alpha primase. Complex engaged with a fork…
8B9B 3.5 Å, S. cerevisiae replisome + Ctf4, bound by pol alpha. Complex engaged with a fork DNA…
6SKL 3.7 Å, Cryo-EM structure of the CMG Fork Protection Complex at a replication fork -…

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