1PFB - Sequence, Chains, Asymmetric and Biological Units

• Title: STRUCTURAL BASIS FOR SPECIFIC BINDING OF POLYCOMB CHROMODOMA HISTONE H3 METHYLATED AT K27
• Keywords: CHROMATIN, HISTONE METHYLATION, POLYCOMB, CHROMODOMAIN, PEPT BINDING PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1PFB	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	POLYCOMB PROTEIN	A	55	478	0
2	Protein	HISTONE H3, EMBRYONIC	B	11	69	12
3	Ligand	POLYCOMB PROTEIN	A	4	0	10
4	Water			147	0	147
total				217	547	169

Proteins

Unit 1	ASP 23 LEU 24 VAL 25 TYR 26 ALA 27 ALA 28 GLU 29 LYS 30 ILE 31 ILE 32 GLN 33 LYS 34 ARG 35 VAL 36 LYS 37 LYS 38 GLY 39 VAL 40 VAL 41 GLU 42 TYR 43 ARG 44 VAL 45 LYS 46 TRP 47 LYS 48 GLY 49 TRP 50 ASN 51 GLN 52 ARG 53 TYR 54 ASN 55 THR 56 TRP 57 GLU 58 PRO 59 GLU 60 VAL 61 ASN 62 ILE 63 LEU 64 ASP 65 ARG 66 ARG 67 LEU 68 ILE 69 ASP 70 ILE 71 TYR 72 GLU 73 GLN 74 THR 75 ASN 76 LYS 77
Unit 2	LEU 20 ALA 21 THR 22 LYS 23 ALA 24 ALA 25 ARG 26 M3L 27 SER 28 ALA 29 PRO 30

Ligands

Unit 3

ACY 201 BME 202 CL 203 CL 204