4IKP: Histone-arginine methyltransferase CARM1

Crystal structure of coactivator-associated arginine methyltransferase 1 with methylenesinefungin. Determined by X-ray diffraction at 2.0 Å resolution. Released 13 Feb 2013.

Method
X-ray diffraction
Resolution
2.0 Å
Organism
Homo sapiens
Chains
4
Atoms
11,705
Mol. weight
157.03 kDa
Ligands
4IK
Released
13 Feb 2013

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

Secondary structure: helices and β-sheets

4IKP contains 61 α-helices and 88 β-strands across 4 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: 15 helices, 21 β-strands

ElementResiduesLengthSheet
α-helix145-1528
α-helix156-1638
α-helix166-17712
α-helix180-1823
β-strand187-19151
α-helix197-2048
β-strand209-21461
α-helix218-22811
β-strand235-23951
β-strand251-25661
β-strand26012
β-strand26312
α-helix268-2747
α-helix275-2784
β-strand279-28681
β-strand289-29793
α-helix300-31011
α-helix311-3144
β-strand31814
β-strand32114
α-helix324-3263
α-helix327-3359
β-strand339-34133
α-helix345-3473
β-strand34813
α-helix351-3522
β-strand353-35863
α-helix364-3685
β-strand369-37795
β-strand382-396153
β-strand401-40553
β-strand417-428123
β-strand433-442105
β-strand448-45695
β-strand461-46885
β-strand473-47423
Chain B: 15 helices, 21 β-strands
ElementResiduesLengthSheet
α-helix145-1539
α-helix156-1638
α-helix166-17813
α-helix180-1823
β-strand187-19156
α-helix197-2048
β-strand209-21466
α-helix218-22811
β-strand235-23956
β-strand251-25666
β-strand26017
β-strand26317
α-helix268-2747
α-helix275-2784
β-strand279-28686
β-strand289-29798
α-helix300-31011
α-helix311-3133
β-strand31819
β-strand32119
α-helix324-3263
α-helix327-3359
α-helix3381
β-strand339-34138
α-helix345-3473
β-strand34818
β-strand353-35868
α-helix364-3674
β-strand369-377910
β-strand382-396158
β-strand401-40558
β-strand417-428128
β-strand433-4431110
β-strand447-4561010
β-strand462-468710
β-strand473-47428
Chain C: 16 helices, 23 β-strands
ElementResiduesLengthSheet
α-helix144-1529
α-helix156-1638
α-helix166-17813
α-helix180-1823
β-strand187-191511
α-helix197-2048
β-strand209-214611
α-helix218-22811
β-strand235-239511
β-strand251-256611
β-strand260112
β-strand263112
α-helix268-2747
α-helix275-2784
β-strand279-286811
β-strand289-297913
α-helix300-31011
α-helix311-3144
β-strand318114
β-strand321114
α-helix324-3263
α-helix327-3359
β-strand339-341313
α-helix345-3473
β-strand348113
β-strand350115
α-helix351-3522
β-strand353-358613
α-helix364-3674
β-strand369-377916
β-strand378115
β-strand382-3961513
β-strand401-405513
α-helix411-4122
β-strand417-4281213
β-strand433-4421016
β-strand448-456916
β-strand461-468816
β-strand473-474213
Chain D: 15 helices, 23 β-strands
ElementResiduesLengthSheet
α-helix144-15310
α-helix156-1638
α-helix166-17813
α-helix180-1823
β-strand187-191517
α-helix197-2048
β-strand209-214617
α-helix218-22811
β-strand235-239517
α-helix246-2472
β-strand251-256617
β-strand260118
β-strand263118
α-helix268-2747
α-helix275-2784
β-strand279-286817
β-strand289-297919
α-helix300-31011
β-strand318120
β-strand321120
α-helix324-3263
α-helix327-3359
α-helix3381
β-strand339-341319
α-helix345-3473
β-strand348119
β-strand350121
β-strand353-358619
α-helix364-3674
β-strand369-377922
β-strand378121
β-strand382-3961519
β-strand401-405519
β-strand417-4281219
β-strand433-4431122
β-strand447-4561022
β-strand462-468722
β-strand473-474219

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Histone-arginine methyltransferase CARM1A, B, C, Dprotein341Homo sapiensQ86X55 (AlphaFold model)
Sequence of entity 1 (A, B, C, D), FASTA
>4IKP_1 Histone-arginine methyltransferase CARM1 (chains A, B, C, D)
RTEESSAVQYFQFYGYLSQQQNMMQDYVRTGTYQRAILQNHTDFKDKIVLDVGCGSGILS
FFAAQAGARKIYAVEASTMAQHAEVLVKSNNLTDRIVVIPGKVEEVSLPEQVDIIISEPM
GYMLFNERMLESYLHAKKYLKPSGNMFPTIGDVHLAPFTDEQLYMEQFTKANFWYQPSFH
GVDLSALRGAAVDEYFRQPVVDTFDIRILMAKSVKYTVNFLEAKEGDLHRIEIPFKFHML
HSGLVHGLAFWFDVAFIGSIMTVWLSTAPTEPLTHWYQVRCLFQSPLFAKAGDTLSGTCL
LIANKRQSYDISIVAQVDQTGSKSSNLLDLKNPFFRYTGTT

Ligands and cofactors

IDNameFormulaCopies
4IK(2S,5S)-2,6-diamino-5-{[(2R,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxyte…C16 H25 N7 O54

Water and common crystallization additives (GOL, UNX) are not listed.

Primary citation

A chemical probe of CARM1 alters epigenetic plasticity against breast cancer cell invasion. Cai, X.C., Zhang, T., Kim, E.J. et al. Elife (2019) 8. DOI 10.7554/eLife.47110 · PubMed

Other PDB entries of the same protein (UniProt Q86X55 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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