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. 2001 Nov;10(11):2301–2316. doi: 10.1110/ps.22901

Fig. 4.

Fig. 4.

High conservation of Trp24 and structurally associated residues Gly22 and Arg139 of retinol-binding protein (RBP) relative to tryptophans 67, 91, and 105 in divergent lipocalins. This is based on an alignment of the proteins listed below together with their abbreviations and database accession codes: 24P3, mouse 24P3 (PIR: S07397); NGHU, human neutrophil gelatinase-associated lipocalin (P25; Swiss-Prot: NGAL HUMAN); CHOR, giant toad choriod plexus lipocalin (Swiss-Prot: LIPO BUFMA); PDS1, human brain prostaglandin D synthase-1 (PIR: A39400); QSP, chicken quiescence-related protein (PIR: A30230); FROG, Northern leopard frog odorant-binding protein (PIR: OVFGP); A1M, pig α1-microglobulin or protein HC (PIR: S13493); C8, human complement component 8 γ-chain (PIR: C8HUG); OBP2, rat odorant-binding protein II (PIR: A40464); VEGR, rat Von Ebner's gland protein or tear prealbumin (Swiss-Prot: VEG RAT); VSP1, mouse vomeronasal secretory protein I (PIR: D38580); VSP2, mouse vomeronasal secretory protein II (PIR: D38581); LATE, Tammar wallaby late lactation protein (PIR: A33672); ANDR, rat androgen-dependent epididymal retinoic acid–binding protein (PIR: SQRTAD); BBLG, bovine β-lactoglobulin (PIR: S05505); PP14, human placental protein 14 (PIR: A31242); KBLG, Eastern gray kangaroo β-lactoglobulin (PIR: A29699); APHR, hamster aphrodisin (PIR: A31243); ORAT, rat odorant-binding protein I (PIR: A28713); PROB, rat probasin (PIR: A32602); ODBO, bovine odorant-binding protein (Swiss-Prot: OBP BOVIN); MUP, mouse major urinary protein or α2u-globulin (PIR: UAMS); FRBP, African-clawed frog retinol-binding protein (PIR: S30013); HRBP, human serum tetinol-binding protein (PIR: VAHU); PURP, chicken purpurin (Swiss-Prot: PURP CHICK); INST, tobacco hornworm insecticyanin (PIR: CUWOI); INSB, white cabbage butterfly insecticyanin B(PIR: S00819); APOD, human apolipoprotein D (PIR: A26958); LAZA, South Americana lazarillo lipocalin (Genpept: U15656 1); CRTA, lobster crusticyanin A (Swiss-Prot: CRA2 HOMGA); COLI, bacterial lipocalin from Escherichia coli (Swiss-Prot: YJEL ECOLI); and A1A, rabbit α-1-acid glycoprotein (PIR: JH0617).