Structure based on ?

Ideal structure
Name: s-{3-[(4-anilinoquinazolin-6-yl)amino]-3-oxopropyl}-l-cysteine
Formula: C20 H21 N5 O3 S
Weight: 411.477
SMILES: "N[CH](CSCCC(=O)Nc1ccc2ncnc(Nc3ccccc3)c2c1)C(O)=O"
Spacial conformation based on PDB ?.
Also present on 2j5e
RESIDUE   CY0     50
CONECT      CAI    3 CAF  CAX  HAI 
CONECT      CAF    3 CAI  CAE  HAF 
CONECT      CAE    3 CAF  CAG  HAE 
CONECT      CAG    3 CAE  CAJ  HAG 
CONECT      CAJ    3 CAG  CAX  HAJ 
CONECT      CAX    3 CAI  CAJ  NAT 
CONECT      NAT    3 CAX  C6   HAT 
CONECT      C6     3 NAT  C5   N1  
CONECT      C5     3 C6   CAM  C4  
CONECT      CAM    3 C5   CAY  HAM 
CONECT      N1     2 C6   C2  
CONECT      C2     3 N1   N3   H2  
CONECT      N3     2 C2   C4  
CONECT      C4     3 C5   N3   CAL 
CONECT      CAL    3 C4   CAK  HAL 
CONECT      CAK    3 CAL  CAY  HAK 
CONECT      CAY    3 CAM  CAK  NAS 
CONECT      NAS    3 CAY  CAW  HAS 
CONECT      CAW    3 NAS  OAC  CAO 
CONECT      OAC    1 CAW 
CONECT      CAO    4 CAW  CAN  HAO1 HAO2
CONECT      CAN    4 CAO  SAU  HAN1 HAN2
CONECT      SAU    2 CAN  CB  
CONECT      CB     4 SAU  CA   HBC1 HBC2
CONECT      CA     4 CB   C    N    HA  
CONECT      C      3 CA   O    OXT 
CONECT      O      1 C   
CONECT      N      3 CA   HN1  HN2 
CONECT      OXT    2 C    HOT 
CONECT      HAI    1 CAI 
CONECT      HAF    1 CAF 
CONECT      HAE    1 CAE 
CONECT      HAG    1 CAG 
CONECT      HAJ    1 CAJ 
CONECT      HAT    1 NAT 
CONECT      HAM    1 CAM 
CONECT      H2     1 C2  
CONECT      HAL    1 CAL 
CONECT      HAK    1 CAK 
CONECT      HAS    1 NAS 
CONECT      HAO1   1 CAO 
CONECT      HAO2   1 CAO 
CONECT      HAN1   1 CAN 
CONECT      HAN2   1 CAN 
CONECT      HBC1   1 CB  
CONECT      HBC2   1 CB  
CONECT      HA     1 CA  
CONECT      HN1    1 N   
CONECT      HN2    1 N   
CONECT      HOT    1 OXT 
END   
HET    CY0             50
HETNAM     CY0 S-{3-[(4-ANILINOQUINAZOLIN-6-YL)AMINO]-3-OXOPROPYL}-L-C
HETNAM   2 CY0 YSTEINE
FORMUL      CY0    C20 H21 N5 O3 S1

This OCA MONOMER page
uses Jmol, developed by the Jmol Development Team (color reference)
OCA© by Jaime Prilusky, 1996-2004,2006,2010,2014
Bioinformatics Unit
Weizmann Institute of Science