PDB entry 1sys

View 1sys on RCSB PDB site
Description: Crystal structure of HLA, B*4403, and peptide EEPTVIKKY
Class: immune system
Keywords: HLA, MHC, Class I, B44
Deposited on 2004-04-01, released 2004-10-19
The last revision prior to the SCOP 1.75 freeze date was dated 2004-10-19, with a file datestamp of 2007-06-04.
Experiment type: XRAY
Resolution: 2.4 Å
R-factor: 0.241
AEROSPACI score: 0.4 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: leukocyte antigen (HLA) class I molecule
    Species: HOMO SAPIENS
    Gene: HLA-B, HLAB
    Database cross-references and differences (RAF-indexed): Domains in SCOP 1.75: d1sysa1, d1sysa2
  • Chain 'B':
    Compound: Beta-2-microglobulin
    Species: HOMO SAPIENS
    Gene: B2M
    Database cross-references and differences (RAF-indexed): Domains in SCOP 1.75: d1sysb_
  • Chain 'C':
    Compound: Sorting nexin 5
    Species: synthetic, synthetic
    Database cross-references and differences (RAF-indexed):
  • Heterogens: HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence; same for both SEQRES and ATOM records: (download) 
    >1sysA (A:)
gshsmryfytamsrpgrgeprfitvgyvddtlfvrfdsdatsprkeprapwieqegpeyw
dretqisktntqtyrenlrtalryynqseagshiiqrmygcdvgpdgrllrgydqdaydg
kdyialnedlsswtaadtaaqitqrkweaarvaeqlrayleglcveslrrylengketlq
radppkthvthhpisdhevtlrcwalgfypaeitltwqrdgedqtqdtelvetrpagdrt
fqkwaavvvpsgeeqrytchvqheglpkpltlrwep

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >1sysB (B:)
miqrtpkiqvysrhpaengksnflncyvsgfhpsdievdllkngeriekvehsdlsfskd
wsfyllyyteftptekdeyacrvnhvtlsqpkivkwdrdm

    Sequence, based on observed residues (ATOM records): (download) 
    >1sysB (B:)
iqrtpkiqvysrhpaengksnflncyvsgfhpsdievdllkngeriekvehsdlsfskdw
sfyllyyteftptekdeyacrvnhvtlsqpkivkwdrdm

  • Chain 'C':
    No sequence available.