1PK1 - Sequence, Chains, Asymmetric and Biological Units

• Title: HETERO SAM DOMAIN STRUCTURE OF PH AND SCM.
• Keywords: HETERO SAM DOMAIN, POLYMERS, TRANSCRIPTIONAL REPRESSION, TRANSCRIPTION REPRESSION
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1PK1	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	POLYHOMEOTIC-PROXIMAL CHROMATIN PROTEIN	A	68	516	16
2	Protein	SEX COMB ON MIDLEG CG9495-PA	B	70	564	0
3	Protein	POLYHOMEOTIC-PROXIMAL CHROMATIN PROTEIN	C	66	500	16
4	Protein	SEX COMB ON MIDLEG CG9495-PA	D	67	538	0
5	Water			193	0	193
total				464	2118	225

Proteins

Unit 1	PRO 12 PRO 13 ILE 14 SER 15 SER 16 TRP 17 SER 18 VAL 19 ASP 20 ASP 21 VAL 22 SER 23 ASN 24 PHE 25 ILE 26 ARG 27 GLU 28 LEU 29 PRO 30 GLY 31 CYS 32 GLN 33 ASP 34 TYR 35 VAL 36 ASP 37 ASP 38 PHE 39 ILE 40 GLN 41 GLN 42 GLU 43 ILE 44 ASP 45 GLY 46 GLN 47 ALA 48 LEU 49 LEU 50 LEU 51 LEU 52 LYS 53 GLU 54 LYS 55 HIS 56 LEU 57 VAL 58 ASN 59 ALA 60 MSE 61 GLY 62 MSE 63 LYS 64 LEU 65 GLY 66 PRO 67 ALA 68 ARG 69 LYS 70 ILE 71 VAL 72 ALA 73 LYS 74 VAL 75 GLU 76 SER 77 ILE 78 LYS 79
Unit 2	ARG 11 SER 12 GLN 13 PRO 14 ILE 15 ASP 16 TRP 17 THR 18 ILE 19 GLU 20 GLU 21 VAL 22 ILE 23 GLN 24 TYR 25 ILE 26 GLU 27 SER 28 ASN 29 ASP 30 ASN 31 SER 32 LEU 33 ALA 34 VAL 35 HIS 36 GLY 37 ASP 38 LEU 39 PHE 40 ARG 41 LYS 42 HIS 43 GLU 44 ILE 45 ASP 46 GLY 47 LYS 48 ALA 49 LEU 50 LEU 51 ARG 52 LEU 53 ASN 54 SER 55 GLU 56 ARG 57 MET 58 MET 59 LYS 60 TYR 61 MET 62 GLY 63 LEU 64 LYS 65 LEU 66 GLY 67 PRO 68 ALA 69 LEU 70 LYS 71 ILE 72 CYS 73 ASN 74 LEU 75 VAL 76 ASN 77 LYS 78 VAL 79 ASN 80
Unit 3	PRO 13 ILE 14 SER 15 SER 16 TRP 17 SER 18 VAL 19 ASP 20 ASP 21 VAL 22 SER 23 ASN 24 PHE 25 ILE 26 ARG 27 GLU 28 LEU 29 PRO 30 GLY 31 CYS 32 GLN 33 ASP 34 TYR 35 VAL 36 ASP 37 ASP 38 PHE 39 ILE 40 GLN 41 GLN 42 GLU 43 ILE 44 ASP 45 GLY 46 GLN 47 ALA 48 LEU 49 LEU 50 LEU 51 LEU 52 LYS 53 GLU 54 LYS 55 HIS 56 LEU 57 VAL 58 ASN 59 ALA 60 MSE 61 GLY 62 MSE 63 LYS 64 LEU 65 GLY 66 PRO 67 ALA 68 ARG 69 LYS 70 ILE 71 VAL 72 ALA 73 LYS 74 VAL 75 GLU 76 SER 77 ILE 78
Unit 4	PRO 14 ILE 15 ASP 16 TRP 17 THR 18 ILE 19 GLU 20 GLU 21 VAL 22 ILE 23 GLN 24 TYR 25 ILE 26 GLU 27 SER 28 ASN 29 ASP 30 ASN 31 SER 32 LEU 33 ALA 34 VAL 35 HIS 36 GLY 37 ASP 38 LEU 39 PHE 40 ARG 41 LYS 42 HIS 43 GLU 44 ILE 45 ASP 46 GLY 47 LYS 48 ALA 49 LEU 50 LEU 51 ARG 52 LEU 53 ASN 54 SER 55 GLU 56 ARG 57 MET 58 MET 59 LYS 60 TYR 61 MET 62 GLY 63 LEU 64 LYS 65 LEU 66 GLY 67 PRO 68 ALA 69 LEU 70 LYS 71 ILE 72 CYS 73 ASN 74 LEU 75 VAL 76 ASN 77 LYS 78 VAL 79 ASN 80