3KJ1: Mcl-1

Mcl-1 in complex with Bim BH3 mutant I2dA. Determined by X-ray diffraction at 1.95 Å resolution. Released 16 Feb 2010.

Method: X-ray diffraction
Resolution: 1.95 Å
Organism: Homo sapiens
Chains: 2
Atoms: 1,550
Mol. weight: 21.12 kDa
Ligands: ZN
Released: 16 Feb 2010

Explore 3KJ1 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3KJ1 contains 10 α-helices and 0 β-strands across 2 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: 9 helices, 0 β-strands

Element	Residues	Length
α-helix	173-191	19
α-helix	204-221	18
α-helix	225-235	11
α-helix	244-253	10
α-helix	254-256	3
α-helix	261-281	21
α-helix	288-301	14
α-helix	303-308	6
α-helix	312-318	7

Chain B: 1 helix, 0 β-strands

Element	Residues	Length	Sheet
α-helix	2-21	20

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Induced myeloid leukemia cell differentiation protein Mcl-1	A	protein	158	Homo sapiens	Q07820 (AlphaFold model)
Bcl-2-like protein 11	B	protein	22	Homo sapiens	O43521 (AlphaFold model)

Sequence of entity 1 (A), FASTA

>3KJ1_1 Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)
GSDELYRQSLEIISRYLREQATGAKDTKPMGRSGATSRKALETLRRVGDGVQRNHETAFQ
GMLRKLDIKNEDDVKSLSRVMIHVFSDGVTNWGRIVTLISFGAFVAKHLKTINQESCIEP
LAESITDVLVRTKRDWLVKQRGWDGFVEFFHVEDLEGG

Sequence of entity 2 (B), FASTA

>3KJ1_2 Bcl-2-like protein 11 (chains B)
RPEIWAAQELRRIGDEFNAYYR

Ligands and cofactors

ID	Name	Formula	Copies
ZN	Zinc ion	Zn	5

Water and common crystallization additives (CL, ACT) are not listed.

Primary citation

Mcl-1-Bim complexes accommodate surprising point mutations via minor structural changes. Fire, E., Gulla, S.V., Grant, R.A. et al. Protein Sci (2010) 19:507-519. DOI 10.1002/pro.329 · PubMed

Other PDB entries of the same protein (UniProt Q07820 (AlphaFold model), which also has an AlphaFold model), best resolution first:

8VJP 1.13 Å, Histidine-covalent stapled alpha-helical peptide (155H1) targeting hMcl-1
9PQ7 1.24 Å, MBP-Mcl1 in complex with ligand 21b
9PQ5 1.28 Å, MBP-Mcl1 in complex with ligand 8
6UDV 1.35 Å, X-ray co-crystal structure of compound 3 bound to human Mcl-1
9UGP 1.39 Å, Crystal structure of MCL-1 in complex with HRK BH3
8G3S 1.4 Å, MBP-Mcl1 in complex with ligand 11
5W89 1.42 Å, Crystal structure of human Mcl-1 in complex with modified Bim BH3 peptide SAH-MS1-18
5C3F 1.43 Å, Crystal structure of Mcl-1 bound to BID-MM
8G3X 1.46 Å, MBP-Mcl1 in complex with ligand 32
8H7B 1.46 Å, The crystal structure of human mcl1 kinase domain in complex with MCL1-M-EBA
8SVY 1.47 Å, MBP-Mcl1 in complex with ligand 10
6OQD 1.48 Å, Crystal structure of Mcl1 with inhibitor 8

Browse structure collections

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