8S05

ArnAB complex an archaeal ortholog of the Sec23/24 core motif

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Conserved protein	polymer	387	43672.9	2	UniProt (Q4J9H3) Pfam (PF00092) Pfam (PF18677)	Sulfolobus acidocaldarius DSM 639
2	C, D (C, D)	Conserved protein	polymer	223	24982.0	2	UniProt (Q4J9H4) Pfam (PF13240) Pfam (PF00498)	Sulfolobus acidocaldarius DSM 639
3	E, F (A, B)	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
4	G, H (C, D)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
5	I, J, K (A, B, C)	water	water		18.0	29	Chemie (HOH)

Sequence modifications

A, B: 3 - 381 (UniProt: Q4J9H3)

PDB	External Database	Details
Met 2	-	initiating methionine
Ala 2	-	expression tag
Thr 2	-	expression tag
His 382	-	expression tag
His 383	-	expression tag
His 384	-	expression tag
His 385	-	expression tag
His 386	-	expression tag

C, D: 18 - 222 (UniProt: Q4J9H4)

PDB	External Database	Details
Met 0	-	initiating methionine
Trp 1	-	expression tag
Ser 2	-	expression tag
His 3	-	expression tag
Pro 4	-	expression tag
Gln 5	-	expression tag
Phe 6	-	expression tag
Glu 7	-	expression tag
Lys 8	-	expression tag
Leu 9	-	expression tag
Glu 10	-	expression tag
Val 11	-	expression tag
Leu 12	-	expression tag
Phe 13	-	expression tag
Gln 14	-	expression tag
Gly 15	-	expression tag
Pro 16	-	expression tag
Ser 17	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	137309.8
Non-Polymers*	Number of molecules	4
	Total formula weight	176.8
All*	Total formula weight	137486.6

*Water molecules are not included.