9MKO

4D4 TCR bound to R-phycoerythrin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G, I... (A, C, F, I, L...)	R-phycoerythrin class I alpha subunit	polymer	164	17754.0	6	UniProt (A0A1C9C9A7) Pfam (PF00502) UniProt (by SIFTS) (O36005)	Ceramium secundatum
2	B, D, F, H, J... (B, D, G, J, M...)	R-phycoerythrin class I beta subunit	polymer	176	18398.9	6	UniProt (A0A1C9C989) Pfam (PF00502) UniProt (by SIFTS) (P51367)	Ceramium secundatum
3	M (a)	4D4 TCR alpha chain	polymer	196	21728.9	1	Pfam (PF09291) UniProt (by SIFTS) (P01848)	Mus musculus
4	N (b)	4D4 TCR beta chain	polymer	237	27083.4	1		Mus musculus
5	BA, CA, DA, EA, FA... (G, I, J, L, M...)	PHYCOERYTHROBILIN	non-polymer		588.7	24	Chemie (PEB)
6	AA, HA, KA, PA, Q... (G, J, M, Q, B...)	PHYCOUROBILIN	non-polymer		590.7	6	Chemie (PUB)

Sequence modifications

A, C, F, I, L, O: 1 - 164 (UniProt: A0A1C9C9A7)

PDB	External Database	Details
Pro 64	Ser 64	conflict
Ala 119	Thr 119	conflict
Gly 124	Ser 124	conflict
Ile 128	Val 128	conflict
Ala 149	Gly 149	conflict
Phe 152	Tyr 152	conflict
Ser 153	Gly 153	conflict
Gly 154	Ala 154	conflict

B, D, G, J, M, Q: 1 - 176 (UniProt: A0A1C9C989)

PDB	External Database	Details
Ser 20	Gly 20	conflict
Thr 127	Ser 127	conflict
Ser 137	Ala 137	conflict
Ala 154	Thr 154	conflict
Ser 173	Ala 173	conflict

Contents of the asymmetric unit

Polymers	Number of chains	14
	Total formula weight	265729.5
Non-Polymers*	Number of molecules	30
	Total formula weight	17672.9
All*	Total formula weight	283402.5

*Water molecules are not included.