PDB entry 1t21
View 1t21 on RCSB PDB site
Description: Structural basis for degenerate recognition of HIV peptide variants by cytotoxic lymphocyte, variant SL9, monoclinic crystal
Class: immune system
Keywords: ctl, cytotoxic t lymphocytes, hiv, human immunodeficiency virus, MHC, major histocompatibility complex, pmhc, peptide MHC complex, rmsd, root-mean-squared deviation, siv, simian immunodeficiency virus, tcr, T-cell receptor
Deposited on
2004-04-19, released
2005-09-06
The last revision prior to the SCOP 1.75 freeze date was dated
2006-08-01, with a file datestamp of
2007-06-04.
Experiment type: XRAY
Resolution: 2.19 Å
R-factor: 0.177
AEROSPACI score: 0.52
(click here for full SPACI score report)
Chains and heterogens:
- Chain 'A':
Compound: HLA class I histocompatibility antigen, A-2 alpha chain
Species: HOMO SAPIENS
Gene: HLA-A, HLAA
Database cross-references and differences (RAF-indexed):
Domains in SCOP 1.75: d1t21a1, d1t21a2 - Chain 'B':
Compound: Beta-2-microglobulin
Species: HOMO SAPIENS
Gene: B2M
Database cross-references and differences (RAF-indexed):
Domains in SCOP 1.75: d1t21b1 - Chain 'C':
Compound: gag peptide
Species: synthetic, synthetic
- Heterogens: HOH
PDB Chain Sequences:
- Chain 'A':
Sequence; same for both SEQRES and ATOM records: (download)
>1t21A (A:)
gshsmryfftsvsrpgrgeprfiavgyvddtqfvrfdsdaasqrmeprapwieqegpeyw
dgetrkvkahsqthrvdlgtlrgyynqseagshtvqrmygcdvgsdwrflrgyhqyaydg
kdyialkedlrswtaadmaaqttkhkweaahvaeqlraylegtcvewlrrylengketlq
rtdapkthmthhavsdheatlrcwalsfypaeitltwqrdgedqtqdtelvetrpagdgt
fqkwaavvvpsgqeqrytchvqheglpkpltlrwe
- Chain 'B':
Sequence; same for both SEQRES and ATOM records: (download)
>1t21B (B:)
iqrtpkiqvysrhpaengksnflncyvsgfhpsdievdllkngeriekvehsdlsfskdw
sfyllyyteftptekdeyacrvnhvtlsqpkivkwdrdm
- Chain 'C':
No sequence available.